Leftover Pinto Bean Casserole

Prep: 10 min Cook: 30 min Serves: 4 Cuisine: American

A hearty casserole combining savory beans, crispy bacon, and tangy tomatoes, perfect for comforting weeknight dinners or using up leftover ingredients.

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Ingredients

  • 2 cups cooked beans
  • 1 large diced onion
  • 1 small can tomatoes
  • 4 slices uncooked bacon

Instructions

  1. Preheat oven to 350°F (175°C).
  2. Mix cooked beans, diced onion, canned tomatoes, and uncooked bacon in a bowl.
  3. Pour the mixture into a casserole dish.
  4. Bake for 25 to 30 minutes until bacon is done and the casserole is heated through.
  5. Serve hot.

Tips & Substitutions

For added flavor, consider sautéing the diced onion before mixing it with the other ingredients. You can substitute the bacon with turkey bacon or omit it entirely for a vegetarian version. If you have leftover cooked meats, they can also be included for extra protein. For a different twist, try adding spices like cumin or chili powder to enhance the dish's flavor profile.

Serving Suggestions

This casserole pairs beautifully with Fried White Potatoes for a hearty meal. Serve it alongside a fresh green salad or some crusty bread to balance the richness. For a complete dinner, consider serving it with a side of Country Style Fried Rice to complement the flavors.

Storage & Reheating

Store any leftover casserole in an airtight container in the refrigerator for up to 3 days. To reheat, place it in the oven at 350°F (175°C) for about 15-20 minutes or until heated through. You can also microwave individual portions for convenience, but be sure to cover them to retain moisture.

Nutrition & Diet Analysis (per serving)

Each serving of Leftover Pinto Bean Casserole contains roughly 205 calories, with 8g protein, 20g carbohydrates, and 10g fat. It is an excellent source of vitamin C (37% of the Daily Value), and a good source of protein and dietary fiber. It also contributes 3g of dietary fiber toward your daily target.

205 kcal 10% DV
Protein Fat Carbs

Macronutrients

Protein 8g 16% DV
Total Fat 10.4g 13% DV
Carbs 20.3g 7% DV
Fiber 3.3g 12% DV
Sugar 5.3g 11% DV

Electrolytes

Sodium 436.1mg 19% DV
Potassium 453.1mg 10% DV
Cholesterol 15.3mg 5% DV

Vitamins & Minerals

Vitamin A 93.6mcg 10% DV
Vitamin C 33.6mg 37% DV
Calcium 30.1mg 2% DV
Iron 1.6mg 9% DV
Diet fit Under 400 cal

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 use other types of beans for this casserole?

Yes, you can substitute pinto beans with black beans, kidney beans, or any other cooked beans you prefer. Just make sure they are cooked and ready to use to ensure even cooking in the casserole.

Is it possible to make this dish vegetarian?

Absolutely! You can omit the bacon and add extra vegetables like bell peppers or mushrooms for added texture and flavor. Additionally, using vegetable broth instead of water when cooking the beans can enhance the overall taste.

Can I prepare this casserole ahead of time?

Yes, you can prepare the mixture a day in advance and store it in the refrigerator. Just remember to bake it fresh when you're ready to serve. If it’s stored overnight, it may need a few extra minutes in the oven to heat through.

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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