How To Make Sweet Potato Casserole With Marshmallows And Pecans
How To Make Sweet Potato Casserole With Marshmallows And Pecans is a easy American recipe that serves 8. 350 calories per serving. Recipe by Delish on YouTube.
Prep: 20 min | Cook: 1 hr 15 min | Total: 1 hr 50 min
Cost: $13.65 total, $1.71 per serving
Ingredients
- 3 pounds Sweet Potatoes (peeled, cubed, roasted until caramelized)
- 1 cup Dark Brown Sugar (packed; 1/2 cup for mixture, 1/2 cup for topping)
- 2 large Eggs (room temperature)
- 1 teaspoon Vanilla Extract (pure vanilla)
- 1/2 cup Whole Milk (cold)
- 8 tablespoons Unsalted Butter (cut into cubes; for wet mixture)
- 4 tablespoons Unsalted Butter (cut into cubes; for crumble topping)
- 1/2 teaspoon Salt (kosher or table salt)
- 1/2 cup All-Purpose Flour (for crumble topping)
- 1 cup Pecans (toasted and roughly chopped)
- 2 cups Mini Marshmallows (covers the top of the casserole)
Instructions
Preheat Oven for Roasting
Set the oven to 400°F and let it preheat fully.
Time: PT10M
Temperature: 400°F
Prepare Sweet Potatoes
Peel and cut the sweet potatoes into 1‑inch cubes, toss with a drizzle of oil, salt, and spread on a roasting pan.
Time: PT10M
Roast Sweet Potatoes
Roast the cubed sweet potatoes for 45 minutes, turning once halfway through, until fork‑tender and caramelized.
Time: PT45M
Temperature: 400°F
Make Wet Mixture
In a large mixing bowl whisk together the eggs, 1/2 cup dark brown sugar, vanilla extract, milk, 8 tbsp butter, and salt until smooth.
Time: PT5M
Mash Roasted Sweet Potatoes
Allow the roasted sweet potatoes to cool for 5 minutes, then mash them in the bowl, leaving a slightly chunky texture.
Time: PT5M
Combine Potatoes and Wet Mixture
Add the mashed sweet potatoes to the wet mixture and stir until fully incorporated.
Time: PT5M
Transfer to Baking Dish
Spread the sweet potato mixture evenly in the 9x13‑inch baking dish.
Time: PT2M
Prepare Crumble Topping
In a separate bowl combine 1/2 cup dark brown sugar, 1/2 cup all‑purpose flour, and 4 tbsp butter. Mix until crumbly, then fold in the toasted pecans.
Time: PT5M
Add Topping and Marshmallows
Sprinkle the pecan crumble evenly over the sweet potato layer, then cover the entire surface with the mini marshmallows.
Time: PT4M
Bake Casserole
Bake at 350°F for 30 minutes, or until the casserole is set and the marshmallows are golden brown.
Time: PT30M
Temperature: 350°F
Rest and Serve
Remove from oven and let the casserole rest for 10 minutes before serving.
Time: PT10M
Nutrition Facts
- Calories
- 350
- Protein
- 4g
- Carbohydrates
- 45g
- Fat
- 18g
- Fiber
- 4g
Dietary info: Vegetarian, Contains dairy, Contains nuts, Contains gluten
Allergens: Dairy, Eggs, Tree nuts, Gluten
Last updated: April 16, 2026








