This hearty, colorful veggie casserole is packed with nutritious vegetables, lean protein from eggs, and just enough cheese for flavor. It’s perfect as a side dish, vegetarian main course, or meal-prep option for busy weeks.

Servings: 8

Prep Time: 20 minutes
Cook Time: 40–45 minutes
Total Time: 1 hour 5 minutes

Estimated WW Points

2–4 Points per serving (depending on cheese and ingredients used)

Estimated Nutrition (Per Serving)

• Calories: ~145
• Protein: 9g
• Carbohydrates: 11g
• Fat: 7g
• Fiber: 3g

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Ingredients

Vegetables

• 2 cups broccoli florets, chopped
• 1 cup cauliflower florets, chopped
• 1 cup zucchini, diced
• 1 cup mushrooms, sliced
• 1 red bell pepper, diced
• ½ cup onion, finely diced
• 2 cups fresh spinach, roughly chopped

Egg Mixture

• 4 large eggs
• 1 cup liquid egg whites
• ½ cup skim milk
• ½ tsp garlic powder
• ½ tsp onion powder
• ½ tsp dried Italian seasoning
• ½ tsp kosher salt
• ¼ tsp black pepper

Cheese

• 1 cup reduced-fat shredded cheddar cheese, divided

Optional Flavor Boosters

• 2 tbsp grated Parmesan cheese
• 1 tbsp chopped fresh parsley
• ¼ tsp crushed red pepper flakes

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Equipment

• 9 x 13-inch baking dish
• Large skillet
• Large mixing bowl
• Whisk
• Cooking spray

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Instructions

Step 1: Preheat Oven

Preheat oven to 375°F (190°C).

Coat a 9 x 13-inch baking dish with cooking spray.

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Step 2: Cook the Vegetables

Heat a large nonstick skillet over medium heat.

Lightly coat with cooking spray.

Add:

• Onion
• Mushrooms
• Bell pepper

Cook for 5 minutes, stirring occasionally.

Add:

• Broccoli
• Cauliflower
• Zucchini

Cook another 4–5 minutes until slightly tender.

Stir in spinach and cook for 1 minute until wilted.

Remove from heat.

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Step 3: Prepare the Egg Mixture

In a large bowl whisk together:

• Eggs
• Egg whites
• Skim milk
• Garlic powder
• Onion powder
• Italian seasoning
• Salt
• Black pepper

Whisk until smooth.

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Step 4: Assemble the Casserole

Spread the cooked vegetables evenly into the prepared baking dish.

Sprinkle ¾ cup of the cheddar cheese over the vegetables.

Pour the egg mixture evenly over the top.

Gently stir with a fork to distribute ingredients.

Sprinkle the remaining ¼ cup cheddar cheese on top.

Add Parmesan cheese if using.

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Step 5: Bake

Bake uncovered for 40–45 minutes.

The casserole is done when:

• The center is set
• The top is lightly golden
• A knife inserted in the center comes out clean

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Step 6: Rest

Remove from the oven.

Allow the casserole to rest for 10 minutes before slicing.

This helps it firm up and makes serving easier.

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Step 7: Serve

Cut into 8 portions.

Garnish with parsley and red pepper flakes if desired.

Serve warm.

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WW-Friendly Variations

Mediterranean Veggie Casserole

Replace cheddar with:

• ¾ cup reduced-fat feta cheese

Add:

• Chopped tomatoes
• Fresh basil
• Dried oregano

Estimated Points:

2–4 per serving

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Mexican-Inspired Veggie Casserole

Add:

• Green chilies
• Corn (½ cup)
• Cilantro

Use:

• Reduced-fat Mexican cheese blend

Estimated Points:

3–5 per serving

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Broccoli Cheese Version

Use:

• 4 cups broccoli

Reduce:

• Cauliflower and zucchini

Add:

• Extra reduced-fat cheddar

Estimated Points:

3–5 per serving

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Protein-Packed Version

Add:

• 1 cup cooked diced chicken breast

or

• 1 cup cooked turkey sausage crumbles

This increases protein while keeping the casserole filling and WW-friendly.

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Make-Ahead Instructions

Refrigerate

Assemble up to 24 hours before baking.

Cover and refrigerate.

Bake when ready to serve.

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Meal Prep

Divide into individual containers.

Store in the refrigerator for up to 4 days.

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Freeze

Cool completely.

Wrap tightly and freeze for up to 3 months.

Thaw overnight in the refrigerator before reheating.

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Reheating

Microwave

• 1–2 minutes per serving

Oven

• 325°F (165°C) for 15–20 minutes

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Serving Suggestions

Pair with:

• Fresh fruit
• Mixed green salad
• Roasted vegetables
• Whole-grain toast
• Grilled chicken breast

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Weight Watchers Success Tips

• Fill at least half your plate with non-starchy vegetables.
• Use reduced-fat cheese for maximum flavor with fewer Points.
• Add herbs, garlic, and spices liberally—they add flavor without increasing Points.
• For a lower-Point version, reduce cheese to ¾ cup and increase the vegetable volume.
• This casserole is excellent for meal prep because it stays moist and flavorful for several days.

The result is a satisfying, cheesy vegetable casserole that’s rich in flavor, high in nutrients, and fits comfortably into a Weight Watchers-friendly eating plan.