Ingredients

Unsalted butter or cooking spray

2 lb. cauliflower (about 1 medium head), cut into small florets

2 c. water, divided

1 lb. broccoli (about 2 large heads), cut into small florets

1/2 c. cream cheese, room temperature

3/4 c. sour cream

1/2 c. coarsely chopped sun-dried tomatoes

3 scallions, white and green parts separated, finely chopped

1 clove garlic, finely chopped

1 tbsp. cornstarch

1 (1-oz.) ranch powder packet

1 tsp. crushed red pepper flakes (or similar spice of your choosing)

Kosher salt

Freshly ground black pepper

2 c. coarsely shredded or torn fresh mozzarella (about 16 oz.), divided

3/4 c. grated Parmesan (about 3 oz.)

Preparation

Step 1Preheat oven to 350º. Grease a 13"-by-9" baking dish with butter.Step 2In a large heatproof bowl, combine cauliflower and 1 cup water. Microwave until tender, about 5 minutes. Drain and repeat with broccoli and remaining 1 cup water. Step 3In a large bowl, using a rubber spatula, stir cream cheese and sour cream. Stir in tomatoes, white scallion parts, half of green scallion parts, garlic, cornstarch, ranch powder, red pepper flakes, 1/2 teaspoon salt, and 1/4 teaspoon black pepper.Step 4Add broccoli and cauliflower, folding to combine and coat in sauce (it’s okay if veggies are warm, as this will help loosen sauce).Step 5Fold in 1 1/2 cups mozzarella. Pour into baking dish, spreading in an even layer. Sprinkle with Parmesan and remaining 1/2 cup mozzarella.Step 6Bake casserole 20 minutes. Turn oven to broil and broil on high until cheeses are browned, 4 to 6 minutes. Top with remaining green scallion parts and serve.

We tenderize the broccoli and cauliflower in no time thanks to the microwave, then toss it with a no-cook sauce. There’s no need to rummage through your spice cabinet for a laundry list of ingredients because we’re calling on the unsung hero of some of our favorite recipes: ranch powder. You know it’s going to be a good time when ranch gets involved. Especially when we combine it with sweet-tart sun-dried tomatoes and warming red pepper flakes. It’s gluten-free, keto, low-carb, and all kinds of delicious. Though it’s delicious scooped right from the dish, we also like this casserole piled high with a dollop of yogurt and plenty of fresh herbs for an extra-special presentation. If you don’t have a microwave, steam the broccoli and cauliflower on the stovetop instead. Use this guide to steaming broccoli for both it and the cauliflower.