California Casserole

Prep: 10 min Cook: 30 min Serves: 6 Cuisine: American

California Casserole is a comforting, cheesy baked dish featuring a medley of vegetables coated in rich sour cream and topped with crispy fried onions. Its creamy, savory flavors make it perfect for family dinners or potlucks, offering a delightful combination of textures and tastes that appeal to all ages.

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Ingredients

  • 1 pkg. frozen vegetables (carrots, cauliflower, broccoli)
  • 1 can French fried onions
  • 2 c. grated sharp Cheddar cheese
  • 1 (16 oz.) container sour cream
  • 1 can cream of mushroom soup

Instructions

  1. Mix together the frozen vegetables, sour cream, grated Cheddar cheese, and cream of mushroom soup.
  2. Pour the mixture into a casserole dish.
  3. Top with French fried onions.
  4. Bake at 350°F (175°C) for 30 minutes or microwave for 15 minutes until heated through.

Tips & Substitutions

For a creamier texture, consider adding a splash of milk or using Greek yogurt instead of sour cream. You can also substitute the frozen vegetables with fresh ones if you have them on hand. If you like a bit of heat, add some crushed red pepper flakes or a dash of hot sauce. This California Casserole pairs beautifully with Jello-Cottage Salad for a refreshing contrast.

Serving Suggestions

This California Casserole is perfect as a main dish, especially when paired with a side salad or crusty bread. For a heartier meal, serve it alongside grilled chicken or baked fish. It also makes a great potluck dish that can be enjoyed with friends and family. Consider serving with Peach Pound Cake for dessert to round out the meal.

Storage & Reheating

Store any leftovers in an airtight container in the refrigerator for up to 3 days. To reheat, place in the microwave for 2-3 minutes or until heated through, or cover with foil and bake in the oven at 350°F (175°C) for about 15 minutes. Add a sprinkle of fresh cheese on top before reheating for extra flavor.

Nutrition & Diet Analysis (per serving)

Each serving of California Casserole contains roughly 588 calories, with 24g protein, 40g carbohydrates, and 38g fat. It is an excellent source of vitamin A (75% of the Daily Value), calcium (49% of the Daily Value), and protein (47% of the Daily Value), and a good source of dietary fiber and iron. Note that it is relatively high in sodium, at 946mg per serving (41% of the Daily Value).

588 kcal 29% DV
Protein Fat Carbs

Macronutrients

Protein 23.6g 47% DV
Total Fat 37.8g 49% DV
Carbs 40.1g 15% DV
Fiber 3.6g 13% DV
Sugar 6.9g 14% DV

Electrolytes

Sodium 946mg 41% DV
Potassium 409.3mg 9% DV
Cholesterol 78.6mg 26% DV

Vitamins & Minerals

Vitamin A 673.4mcg 75% DV
Vitamin C 4.7mg 5% DV
Vitamin D 0.5mcg 2% DV
Calcium 632.3mg 49% DV
Iron 1.8mg 10% DV
Diet fit High-protein
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 use different vegetables in this casserole?

Absolutely! You can customize the recipe with any frozen or fresh vegetables you prefer. Bell peppers, green beans, or even corn can be great additions. Just ensure they are cut into small, even pieces for even cooking.

Is this casserole suitable for vegetarians?

Yes, this California Casserole is a vegetarian recipe. It contains no meat and is packed with veggies and cheese, making it a hearty option for those following a vegetarian diet. Ensure your cream of mushroom soup is vegetarian-friendly.

Can I prepare this casserole ahead of time?

Yes, you can prepare the casserole a day in advance. Simply mix all the ingredients and store them in the casserole dish, covered, in the refrigerator. When you're ready to bake, just add an extra 10 minutes to the cooking time, as it will be cold from the fridge.

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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