YT Recipe

Healthy Homemade Cosmic Brownies

Healthy Homemade Cosmic Brownies is a easy American recipe that serves 4. 200 calories per serving. Recipe by Donaldo Estevam on YouTube.

Prep: 17 min | Cook: 7 min | Total: 34 min

Cost: $37.64 total, $9.41 per serving

Ingredients

  • 1 cup Rolled Oats (old‑fashioned rolled oats)
  • 2 scoop Dark Chocolate Protein Powder (chocolate‑flavored, dark color; one scoop for brownie mix, one for frosting)
  • 0.5 cup Water (room temperature; additional water added to frosting as needed)
  • 8 slice White Bread (standard sandwich bread, 160 calories per two slices)
  • 4 tablespoon Egg Whites (liquid egg whites, used as glue)
  • 1 cup Confectioners Sugar (powdered sugar for frosting)
  • 1 teaspoon Cooking Oil (light oil or spray for air fryer basket)

Instructions

  1. Blend Oats and Protein

    Place 1 cup rolled oats and 1 scoop dark chocolate protein powder into the blender, add ½ cup water, and blend until the mixture resembles a coarse powder with a few small pieces.

    Time: PT5M

  2. Refrigerate Overnight Oats Mix

    Transfer the blended mixture to a mixing bowl, press it together until it looks like cookie dough, cover, and refrigerate for at least 8 hours or overnight.

    Time: PT0M

  3. Flatten Bread Slices

    Using a rolling pin, gently roll each white‑bread slice flat on a clean surface.

    Time: PT2M

  4. Apply Egg‑White Glue

    Spread about 1 tablespoon of egg whites on the underside of each flattened slice; repeat for the top side of the second slice.

    Time: PT2M

  5. Assemble the Uncrustable

    Place a generous spoonful of the chilled oat‑protein brownie dough onto the center of one slice, top with the second slice, press edges together, and seal the perimeter using a fork.

    Time: PT3M

  6. Prepare Air Fryer

    Lightly coat the air‑fryer basket with 1 teaspoon oil or cooking spray to prevent sticking.

    Time: PT1M

  7. Air‑Fry the Uncrustables

    Place the sealed uncrustables in the basket leaving a little space between them, set the air fryer to 350°F (180°C) and cook for 7 minutes, turning halfway if desired.

    Time: PT7M

    Temperature: 350°F

  8. Make Protein Frosting

    In a bowl whisk together 1 cup confectioners sugar and 1 scoop dark chocolate protein powder, then add water a teaspoon at a time until a smooth, spreadable frosting forms.

    Time: PT3M

  9. Finish and Serve

    Drizzle or spread the frosting over the warm uncrustables. Serve immediately or refrigerate briefly to let the frosting set.

    Time: PT2M

Nutrition Facts

Calories
200
Protein
20 g
Carbohydrates
20 g
Fat
5 g
Fiber
3 g

Dietary info: High Protein, Low Calorie, Vegetarian

Allergens: Wheat, Egg

Last updated: April 18, 2026

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Healthy Homemade Cosmic Brownies

Recipe by Donaldo Estevam

A high‑protein, low‑calorie snack that mimics the popular Cosmic Brownie flavor. Made with overnight‑oats brownie filling, white‑bread “uncrustable” shells sealed with egg whites, air‑fried to perfection, and finished with a dark chocolate protein frosting.

EasyAmericanServes 4

Shop all ingredients on Amazon in one click • Printable PDF with shopping checklist

Source Video
17m
Prep
8m
Cook
10m
Cleanup
35m
Total

Cost Breakdown

$37.64
Total cost
$9.41
Per serving

Critical Success Points

  • • Blending oats and protein to a coarse powder without over‑processing.
  • • Achieving a cookie‑dough consistency after refrigeration.
  • • Sealing the bread edges with egg whites and a fork to prevent leakage.
  • • Air‑frying for the correct time (7 min at 350°F) to get a golden exterior without burning.

Safety Warnings

  • • Raw egg whites are used as a glue; ensure the uncrustables are cooked to an internal temperature of at least 160°F (71°C) to eliminate any risk.
  • • Handle the hot air fryer basket with oven mitts to avoid burns.
  • • Do not over‑oil the air fryer basket; excess oil can cause smoke.

Frequently Asked Questions

Everything you need to know about this recipe

Q

What is the cultural significance and history of Cosmic Brownie Uncrustables in American snack culture?

A

Cosmic Brownie Uncrustables blend the nostalgic appeal of the pre‑packaged Cosmic Brownie snack with the DIY convenience of homemade uncrustable sandwiches, reflecting a modern American trend toward high‑protein, low‑calorie portable treats.

cultural
Q

What are the traditional regional variations of brownie‑style snacks in the United States?

A

While classic brownies are baked, regional snack variations include bar‑style brownies, brownie bites, and portable brownie sandwiches like this protein‑packed uncrustable, each adapting the dense chocolate flavor to on‑the‑go lifestyles.

cultural
Q

How is the Cosmic Brownie Uncrustable traditionally served in American households?

A

It is typically served as a quick snack, breakfast bite, or post‑workout treat, often eaten straight from the fridge or warmed briefly in an air fryer, and sometimes drizzled with extra frosting for a dessert‑like finish.

cultural
Q

What occasions or celebrations is the Cosmic Brownie Uncrustable associated with in American culture?

A

These protein‑rich snacks are popular for school lunches, gym snack packs, road trips, and casual gatherings where a sweet yet nutritious bite is desired.

cultural
Q

What makes the Cosmic Brownie Uncrustable special or unique in American snack cuisine?

A

It combines the indulgent flavor of a chocolate brownie with the convenience of a sandwich, adds a high‑protein boost from oats and protein powder, and uses an air fryer for a low‑fat, crispy exterior.

cultural
Q

What are the authentic traditional ingredients for a Cosmic Brownie Uncrustable versus acceptable substitutes?

A

Authentic ingredients include rolled oats, dark chocolate protein powder, white sandwich bread, egg whites, and confectioners sugar. Acceptable substitutes are quick oats, vanilla protein powder (color changes), whole‑wheat or gluten‑free bread, aquafaba for vegans, and powdered erythritol for a low‑sugar frosting.

cultural
Q

What other American high‑protein snacks pair well with the Cosmic Brownie Uncrustable?

A

Pair it with Greek yogurt, a handful of almonds, or a fruit‑smoothie for a balanced snack that adds extra protein and fresh fruit flavors.

cultural
Q

What are the most common mistakes to avoid when making Cosmic Brownie Uncrustables?

A

Common errors include over‑blending the oat‑protein mixture, using too much water (resulting in a runny filling), not sealing the bread edges firmly with egg whites, and under‑cooking in the air fryer which can leave the egg‑white glue raw.

technical
Q

Why does this recipe use egg whites as a glue instead of butter or mayonnaise?

A

Egg whites provide a low‑calorie, high‑protein adhesive that sets when heated, keeping the snack light while still ensuring a strong seal; butter or mayo would add unnecessary fat and alter the flavor profile.

technical
Q

What does the YouTube channel Donaldo Estevam specialize in?

A

The YouTube channel Donaldo Estevam focuses on quick, high‑protein, low‑calorie recipes that are easy to make at home, often using everyday kitchen tools like air fryers and blenders.

channel
Q

How does the YouTube channel Donaldo Estevam's approach to protein‑packed snacks differ from other cooking channels?

A

Donaldo Estevam emphasizes minimal ingredient lists, uses pantry staples, and showcases time‑saving techniques such as overnight oats and air‑fryer cooking, setting his content apart from channels that rely on more complex or specialty equipment.

channel
More like this:American RecipesSnack RecipesMore by Donaldo Estevam

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