Cosmic brownie cookie ice cream sandwich
Cosmic brownie cookie ice cream sandwich is a medium American recipe that serves 12. 350 calories per serving. Recipe by Jesha Ann Stevens on YouTube.
Prep: 12 hrs 15 min | Cook: 20 min | Total: 12 hrs 50 min
Cost: $21.79 total, $1.82 per serving
Ingredients
- 1/4 cup Active Sourdough Starter (100% hydration, fed 4‑6 hours before use)
- 1 1/2 cups All-Purpose Flour (sifted)
- 1/2 cup Unsweetened Cocoa Powder (Dutch‑processed for deep flavor)
- 3/4 cup Granulated Sugar (fine)
- 1/2 cup Brown Sugar (packed)
- 1/2 cup Unsalted Butter (softened, cut into cubes)
- 1 Large Egg (room temperature)
- 1 tsp Vanilla Extract (pure)
- 1/2 tsp Baking Soda
- 1/4 tsp Salt
- 1 cup All‑Natural Rainbow Chocolate Chips (made from rich ganache frosting, natural colors)
- 4 oz Dark Chocolate (70% cacao) (chopped)
- 1/2 cup Heavy Cream
- 1 tbsp Unsalted Butter (for ganache) (cut into pieces)
- 1 pint Premium Vanilla Ice Cream (softened slightly for scooping)
Instructions
Feed and Activate Sourdough Starter
Discard half of your starter, feed the remaining 1/4 cup with equal parts flour and water, and let it sit at room temperature for 4‑6 hours until bubbly.
Time: PT15M
Combine Dry Ingredients
In a mixing bowl whisk together the flour, cocoa powder, baking soda, and salt until evenly distributed.
Time: PT5M
Cream Butter and Sugars
Using a stand mixer on medium speed, cream the softened butter with granulated sugar and brown sugar until light and fluffy, about 3‑4 minutes.
Time: PT5M
Add Egg, Vanilla, and Starter
Add the egg, vanilla extract, and the active sourdough starter to the butter‑sugar mixture. Mix on low until just combined.
Time: PT3M
Combine Wet and Dry, Fold in Chocolate Chips
Gradually add the dry ingredient mixture to the wet mixture, mixing on low. Once a shaggy dough forms, fold in the rainbow chocolate chips by hand.
Time: PT5M
Bulk Fermentation
Cover the bowl with a damp towel or plastic wrap and let the dough ferment at room temperature for 12 hours (or overnight). It will puff slightly and develop a subtle tang.
Time: PT12H
Chill the Dough
After fermentation, place the dough in the refrigerator for 30 minutes to firm up for easier handling.
Time: PT30M
Preheat Oven
Preheat the oven to 350°F (177°C).
Time: PT10M
Temperature: 350°F
Portion and Shape Cookies
Line a baking sheet with parchment paper. Scoop the chilled dough with a 3‑inch cookie scoop or tablespoon, roll into balls, and gently flatten to about 1/2‑inch thickness.
Time: PT10M
Bake Cookies
Bake for 12 minutes, or until the edges are set but the centers still look slightly soft.
Time: PT12M
Temperature: 350°F
Cool Cookies
Remove the sheet from the oven, let the cookies rest on the sheet for 5 minutes, then transfer to a cooling rack to cool completely.
Time: PT10M
Prepare Ice Cream Filling
Allow the vanilla ice cream to soften for 5 minutes at room temperature. Using an ice‑cream scoop, place a generous scoop onto the flat side of a cooled cookie.
Time: PT5M
Assemble Sandwiches
Top the ice‑cream scoop with a second cookie, pressing gently to spread the ice cream to the edges. Repeat for all cookies.
Time: PT10M
Freeze Assembled Sandwiches
Place the assembled sandwiches on a parchment‑lined tray and freeze for at least 30 minutes to set the ice cream.
Time: PT30M
Make Optional Ganache Drizzle
In a small saucepan, heat the heavy cream until just simmering. Remove from heat, add chopped dark chocolate and butter, stir until smooth. Drizzle over the top of each sandwich before serving.
Time: PT5M
Nutrition Facts
- Calories
- 350
- Protein
- 5 g
- Carbohydrates
- 45 g
- Fat
- 18 g
- Fiber
- 3 g
Dietary info: Vegetarian
Allergens: Dairy, Gluten, Eggs
Ingredient Substitutions
- Instead of Active Sourdough Starter: 1 tsp active dry yeast
- Instead of All-Purpose Flour: bread flour
- Instead of Unsweetened Cocoa Powder: natural cocoa powder
- Instead of Granulated Sugar: coconut sugar
- Instead of Brown Sugar: dark muscovado sugar
- Instead of Unsalted Butter: margarine
- Instead of Large Egg: 1/4 cup unsweetened applesauce
- Instead of Vanilla Extract: vanilla bean paste
- Instead of Baking Soda: baking powder (use 1 1/2 tsp)
- Instead of Salt: sea salt
- Instead of All‑Natural Rainbow Chocolate Chips: regular semi‑sweet chocolate chips
- Instead of Dark Chocolate (70% cacao): milk chocolate
- Instead of Heavy Cream: half‑and‑half
- Instead of Unsalted Butter (for ganache): coconut oil
- Instead of Premium Vanilla Ice Cream: store‑bought vanilla frozen yogurt
Equipment Needed
- Mixing Bowl
- Stand Mixer or Hand Mixer
- Spatula
- Measuring Cups
- Measuring Spoons
- Baking Sheet
- Parchment Paper
- Cooling Rack
- Ice Cream Scoop
- Small Saucepan
- Freezer
Critical Steps — Do Not Skip
- Activating a healthy sourdough starter
- 12‑hour bulk fermentation for flavor development
- Do not over‑bake the cookies; they should stay fudgy
- Assemble sandwiches before the ice cream melts
- Freeze assembled sandwiches to set the filling
Chef Tips from the Video
- Use a kitchen scale for precise flour and chocolate measurements.
- Line the baking sheet with parchment to prevent sticking and promote even browning.
- For extra sparkle, sprinkle a pinch of edible glitter on the ganache drizzle.
Troubleshooting
Cookies spread too thin and become crispy.
Chill the dough longer (45‑60 minutes) and use a colder baking sheet.
Cookies are dense and not chewy.
Do not over‑mix the dough and ensure the starter is active; a weak starter reduces lift.
Ice cream melts before the sandwich can be assembled.
Keep the ice cream in the freezer until just before scooping and work in a cool kitchen.
Storage
Refrigerator: Store in an airtight container for up to 3 days.
Freezer: Freeze for up to 1 month; thaw 10 minutes before serving.
Room temperature: Not recommended; ice cream will melt.
Make-Ahead Tips
- The dough can be refrigerated for up to 48 hours after fermentation.
- Baked cookies freeze well; bake a day ahead and store in a zip‑top bag.
- Ganache can be prepared up to 2 days ahead and kept refrigerated.
Frequently Asked Questions
What is the cultural significance and history of ice cream sandwiches in American dessert tradition?
Ice cream sandwiches have been a beloved American treat since the early 20th century, originally made with simple vanilla wafers and later evolving to include cookies, brownies, and even cake layers. They are popular at fairs, picnics, and summer gatherings, symbolizing a fun, handheld dessert that combines two classic comforts: baked goods and ice cream.
What regional variations of ice cream sandwiches exist within United States cuisine?
In the U.S., you’ll find variations like the classic chocolate wafer sandwich, the peanut butter cookie version popular in the Midwest, and the brownie‑style sandwich that originated on the West Coast. Some Southern versions use pecan pie crusts, while New England often features oatmeal cookies.
How is a traditional ice cream sandwich typically served in American summer festivals?
At American summer festivals, ice cream sandwiches are usually served chilled on a platter, sometimes dusted with powdered sugar or drizzled with chocolate. They are often presented on parchment squares for easy handling and may be paired with fresh fruit or lemonade.
What occasions or celebrations are ice cream sandwiches traditionally associated with in American culture?
Ice cream sandwiches are a staple at birthday parties, Fourth of July picnics, backyard barbecues, and school fundraisers. Their portable nature makes them ideal for outdoor celebrations and casual gatherings.
What makes the Cosmic Brownie Ice Cream Sandwiches special or unique in American dessert cuisine?
These sandwiches combine naturally fermented sourdough brownie cookies with vibrant rainbow chocolate chips, giving a tangy depth and a colorful visual appeal that sets them apart from ordinary cookie‑and‑ice‑cream combos.
What are the authentic traditional ingredients for a classic ice cream sandwich versus acceptable substitutes?
Traditionally, a classic sandwich uses plain vanilla ice cream, chocolate wafer cookies, and sometimes a thin layer of chocolate coating. Acceptable substitutes include flavored ice creams, brownie or sugar cookies, and natural chocolate chips like the rainbow chips used here.
What are the most common mistakes to avoid when making Cosmic Brownie Ice Cream Sandwiches at home?
Common errors include over‑baking the cookies (which makes them crunchy instead of fudgy), using an inactive sourdough starter (resulting in flat dough), and assembling the sandwich before the ice cream is firm enough, causing it to melt and soak the cookies.
Why does this recipe use a sourdough starter instead of commercial yeast for the brownie cookies?
The sourdough starter adds natural fermentation, which develops a subtle tang and improves the cookie’s chewiness while keeping the recipe free of commercial yeast, aligning with the creator’s goal of a healthier, naturally leavened treat.
Can I make the Cosmic Brownie Ice Cream Sandwiches ahead of time and how should I store them?
Yes. Bake and cool the cookies, then store them in an airtight container at room temperature for up to 3 days. Assemble the sandwiches and freeze them; they keep well for up to a month. Thaw 10 minutes before serving.
What does the YouTube channel Jesha Ann Stevens specialize in?
The YouTube channel Jesha Ann Stevens focuses on creative, health‑conscious dessert recipes that blend classic comfort foods with modern twists, often featuring natural ingredients, fermentation techniques, and vibrant visual presentation.
How does the YouTube channel Jesha Ann Stevens' approach to American dessert cooking differ from other dessert channels?
Jesha Ann Stevens emphasizes natural fermentation, ingredient transparency, and colorful, eye‑catching finishes like rainbow chocolate chips, whereas many other channels stick to traditional methods without highlighting the health benefits of sourdough or natural colorings.
Last updated: September 2, 2026
