"Leftover Roast" Casserole

Prep: 15 min Cook: 25 min Cuisine: Mexican

A hearty casserole combining savory leftover roast with cheesy, spicy layers and crispy Doritos, perfect for a comforting, flavorful meal using simple ingredients.

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Ingredients

  • leftover roast, chopped
  • 1 1/2 cups sour cream
  • 1 1/2 cups grated cheese
  • 1 can green chilies, chopped
  • 1 large onion, chopped
  • Doritos (enough to make 2 layers, uncrushed)
  • enchilada sauce packet (for half recipe)

Instructions

  1. Make half of the enchilada sauce recipe and set aside.
  2. In a mixing bowl, combine 1 1/2 cups sour cream with grated cheese.
  3. Add chopped green chilies and chopped onion to the mixture.
  4. Grease and flour the bottom of a baking dish.
  5. Spread a layer of uncrushed Doritos on the bottom of the dish.
  6. Scatter chopped leftover roast over the Doritos.
  7. Spread the cheese and sour cream mixture over the roast.
  8. Add another layer of uncrushed Doritos on top.
  9. Pour the prepared enchilada sauce over all layers.
  10. Bake for approximately 25 minutes at 325°F.

Tips & Substitutions

For a creamier texture, consider adding a bit of cream cheese to the sour cream and cheese mixture. If you don't have green chilies, diced bell peppers or jalapeños can work as a substitute. You can also use any leftover meat, like chicken or pork, instead of roast. To add a crunch, you can sprinkle crushed Doritos on top before baking.

Serving Suggestions

This casserole is hearty enough to stand alone but pairs beautifully with a fresh salad or steamed vegetables for a complete meal. Consider serving it with a side of guacamole or sour cream for added richness. It also complements well with other Mexican recipes, making it a great addition to a themed dinner night.

Storage & Reheating

Store any leftovers in an airtight container in the refrigerator for up to 3 days. To reheat, cover the casserole with foil and warm it in the oven at 350°F for about 15-20 minutes, or until heated through. Microwave reheating is also an option but may result in a softer texture.

Nutrition & Diet Analysis (per serving)

Each serving of "Leftover Roast" Casserole contains roughly 318 calories, with 7g protein, 45g carbohydrates, and 13g fat. It is a good source of protein (13% of the Daily Value) and calcium (11% of the Daily Value). Note that it is relatively high in sodium, at 482mg per serving (21% of the Daily Value).

318 kcal 16% DV
Protein Fat Carbs

Macronutrients

Protein 6.7g 13% DV
Total Fat 13.1g 17% DV
Carbs 44.6g 16% DV
Fiber 2g 7% DV
Sugar 5g 10% DV

Electrolytes

Sodium 481.7mg 21% DV
Potassium 231.2mg 5% DV
Cholesterol 8.6mg 3% DV

Vitamins & Minerals

Vitamin A 67.4mcg 7% DV
Vitamin C 1.5mg 2% DV
Calcium 147.7mg 11% DV
Iron 1.1mg 6% DV
Diet fit Under 400 cal
Contains Milk

Estimated from ingredients & per-serving nutrition — verify against package labels for allergies or strict diets.

* % Daily Values based on a 2,000 calorie diet (FDA 2020).

Frequently Asked Questions

Can I make this casserole ahead of time?

Yes, you can assemble the casserole a day in advance. Just cover it tightly with plastic wrap or foil and refrigerate until you're ready to bake it. If baking from cold, you may need to add a few extra minutes to the cooking time.

What can I use instead of sour cream?

If you're looking for a substitute for sour cream, Greek yogurt works well and adds a similar tangy flavor. Alternatively, you can use cottage cheese blended until smooth for a lower-fat option.

Can I freeze the casserole?

Yes, you can freeze this casserole before baking. Wrap it tightly in plastic wrap and then in aluminum foil to prevent freezer burn. When ready to eat, thaw it in the refrigerator overnight and bake as directed, adding a few extra minutes if needed.

Nutrition is estimated from USDA FoodData Central ingredient data and may vary with brand, portion and preparation — see our methodology. This information is for general educational purposes only and is not medical or dietary advice (disclaimer).

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