Cauliflower Tomato Onion Cheese Casserole

Indulge in the rich, comforting flavors of this Cauliflower Tomato Onion Cheese Casserole—a hearty, gluten-free dish that’s perfect for family dinners or as a show-stopping side. This recipe combines tender, blanched cauliflower with layers of juicy Roma tomatoes, sweet yellow onions, and a creamy, herb-infused sauce. Topped with a generous blend of melted cheddar and Parmesan cheeses, every bite is packed with irresistible cheesy goodness and a hint of warming spices like paprika and oregano. With just 20 minutes of prep time and a golden, bubbly finish in the oven, this casserole is as easy to make as it is delicious. Garnished with fresh parsley, it’s a wholesome, vibrant dish that’s sure to please both vegetarians and cheese lovers alike!

Nutriscore Rating: 62/100

Prep Time:20 mins

Cook Time:40 mins

Total Time:60 mins

Servings: 6

Ingredients

• 1 head Cauliflower (medium head)
• 4 pieces Roma tomatoes
• 1 piece Yellow onion (large)
• 2 cups Cheddar cheese, shredded
• 0.5 cup Parmesan cheese, grated
• 2 tablespoons Olive oil
• 2 cloves Garlic, minced
• 1 cup Heavy cream
• 1 teaspoon Salt
• 0.5 teaspoon Black pepper
• 1 teaspoon Dried oregano
• 0.5 teaspoon Paprika
• 2 tablespoons Fresh parsley, chopped

Directions

Step 1

Preheat your oven to 375°F (190°C). Grease a 9x13-inch casserole dish with a light coat of olive oil or cooking spray.

Step 2

Cut the cauliflower into florets and blanch them in boiling water for 5 minutes. Drain and set aside.

Step 3

Slice the tomatoes and onion into thin rounds. Set aside.

Step 4

Heat the olive oil in a skillet over medium heat. Add the minced garlic and cook for 1 minute until fragrant.

Step 5

In a small bowl, whisk together the heavy cream, salt, pepper, dried oregano, and paprika. Set aside.

Step 6

Layer the blanched cauliflower florets evenly in the bottom of the prepared casserole dish.

Step 7

Layer half of the tomato and onion slices over the cauliflower. Sprinkle 1 cup of cheddar cheese on top.

Step 8

Repeat with a second layer using the remaining cauliflower, tomato, and onion slices. Pour the seasoned cream evenly over the layers.

Step 9

Top the casserole with the remaining 1 cup of cheddar cheese and the grated Parmesan cheese.

Step 10

Cover the dish with aluminum foil and bake for 25 minutes. Remove the foil and bake for an additional 15 minutes until the cheese is golden and bubbly.

Step 11

Remove the casserole from the oven and allow it to cool for 5 minutes. Garnish with fresh chopped parsley before serving.

Nutrition Facts

Serving size	(1540.6g)

Amount per serving	% Daily Value*
Calories	2357.4

Total Fat 194.6g	0%
Saturated Fat 108.7g	0%
Polyunsaturated Fat 2.7g
Cholesterol 520.0mg	0%
Sodium 4760.6mg	0%
Total Carbohydrate 64.2g	0%
Dietary Fiber 19.1g	0%
Total Sugars 24.7g
Protein 87.6g	0%

Vitamin D 48.0IU	0%
Calcium 2220.1mg	0%
Iron 6.4mg	0%
Potassium 2372.0mg	0%

*The % Daily Value tells you how much a nutrient in a serving of food contributes to a daily diet. 2,000 calories a day is used for general nutrition advice.

Source of Calories

Fat: 74.3%

Protein: 14.9%

Carbs: 10.9%