Cheesy Pesto Broccoli Quinoa Casserole

Name: Cheesy Pesto Broccoli Quinoa Casserole
Prep time: 25 min
Cook time: 25 min
Total time: 50 min
Cuisine: American, Italian
Ingredients: 2 Tbsp. extra-virgin olive oil; 1 lb. broccoli florets; 1 cup chopped yellow onion; 1 tsp. kosher salt, divided; 1 cup dry (uncooked) quinoa; 2 cups water or lower-sodium vegetable broth; 1 cup milk of choice ((I suggest whole milk or unsweetened cashew milk)); 1/2 cup plain whole-milk Greek yogurt; 1 cup shredded mozzarella or white cheddar cheese, divided; 1/2 cup grated Parmesan cheese; 1/4 cup prepared pesto ((I use DeLallo brand)); 1 tsp. garlic powder; 3/4 tsp. black pepper; Pinch red pepper flakes ((optional)); 1/4 cup pine nuts; Optional garnish: chopped fresh basil leaves

Instructions

Prep:25minCook:25min

This healthy Broccoli Quinoa Casserole is creamy, cheesy, and comforting. Gluten free and plenty filling, enjoy this vegetarian casserole for a meatless dinner or make-ahead lunch.

Updated at: Thu, 12 Feb 2026 19:04:15 GMT