Cauliflower-Broccoli Au Gratin

Prep: 15 min Cook: 45 min Serves: 8 Cuisine: American

A creamy, cheesy cauliflower and broccoli au gratin featuring tender vegetables baked in a savory cheese sauce until bubbling and golden. Perfect as a comforting side dish for family dinners or special gatherings, it combines rich flavors with a crispy cracker topping for added texture and flavor.

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Ingredients

  • 10 oz. frozen cauliflower
  • 10 oz. frozen broccoli
  • 2 Tbsp. butter
  • 1 1/2 Tbsp. flour
  • 1/4 tsp. salt
  • 1/4 tsp. seasoned salt
  • 1/4 tsp. pepper
  • 1/8 tsp. Accent
  • 2 cups hot milk
  • 1/4 cup chopped onion

Instructions

  1. Cook frozen cauliflower and broccoli as directed; drain.
  2. Put the cooked vegetables into a 2-quart casserole dish.
  3. Melt butter over low heat in a saucepan.
  4. Stir in flour, salt, seasoned salt, pepper, and Accent until smooth and bubbly.
  5. Remove from heat and stir in hot milk.
  6. Cook over low heat, stirring constantly, until the sauce thickens.
  7. Sprinkle chopped onion, drained pimento, and grated Cheddar cheese over the vegetables.
  8. Pour the cheese sauce over the vegetables.
  9. Sprinkle crushed soda crackers and paprika over the top.
  10. Bake at 350°F for 45 minutes until bubbly and golden.

Tips & Substitutions

For a richer flavor, consider adding garlic powder or nutmeg to the cheese sauce. If you prefer a lower-calorie version, substitute half-and-half with almond milk. You can also swap Cheddar cheese for Gruyère or mozzarella for a different taste. To add a crunchy topping, use crushed tortilla chips instead of soda crackers. This dish is a great vegetarian option for gatherings.

Serving Suggestions

Serve this Cauliflower-Broccoli Au Gratin as a comforting side dish alongside roasted meats or grilled seafood. It pairs beautifully with a fresh salad or a light soup, such as a classic tomato bisque. For a complete meal, consider serving it with a side of crusty bread. This dish also works well for potlucks or as a vegetarian centerpiece.

Storage & Reheating

Store any leftovers in an airtight container in the refrigerator for up to 3 days. To reheat, place in the oven at 350°F until heated through, about 20 minutes. You can also microwave individual portions, but the oven will keep the topping crispy. Avoid reheating more than once to maintain quality.

Nutrition & Diet Analysis (per serving)

Each serving of Cauliflower-Broccoli Au Gratin contains roughly 696 calories, with 8g protein, 3g carbohydrates, and 72g fat. It is an excellent source of calcium (20% of the Daily Value), and a good source of protein and vitamin A. Note that it is relatively high in sodium, at 1119mg per serving (49% of the Daily Value).

696 kcal 35% DV
Protein Fat Carbs

Macronutrients

Protein 8.4g 17% DV
Total Fat 72.5g 93% DV
Carbs 2.8g 1% DV
Fiber 0.1g
Sugar 0.5g 1% DV

Electrolytes

Sodium 1119.1mg 49% DV
Potassium 37.1mg 1% DV
Cholesterol 215.4mg 72% DV

Vitamins & Minerals

Vitamin A 120.9mcg 13% DV
Vitamin C 0.2mg
Vitamin D 0.3mcg 1% DV
Calcium 256.7mg 20% DV
Iron 0.1mg 1% DV
Diet fit Keto-friendly
Contains Milk Wheat/Gluten

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 fresh vegetables instead of frozen?

Yes, you can use fresh cauliflower and broccoli! Just steam them until tender before adding to the casserole. Fresh vegetables will provide a slightly different texture, so adjust the cooking time accordingly to ensure they are cooked but not mushy.

Is there a way to make this dish gluten-free?

Absolutely! You can substitute the flour with a gluten-free blend or cornstarch to thicken the cheese sauce. Be sure to check the labels of your other ingredients, like the seasoned salt, to ensure they are gluten-free.

What can I do if I don't have pimento?

If you don't have pimento, you can simply omit it or use diced roasted red peppers or even chopped green bell peppers for a similar color and flavor. Adjust the amount according to your taste preference.

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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