Cheesy Vegetarian Casserole

Name: Cheesy Vegetarian Casserole
Prep time: 45 min
Cook time: 35 min
Total time: 1 h 20 min
Cuisine: American
Ingredients: 4 cups frozen cauliflower rice (see notes); one 14 oz. can vegetable broth, simmered to reduce; 1 T mushroom base (optional, but recommended); 1 lb. sliced mushrooms; 1 medium onion; 6 cups chopped broccoli; 2 T olive oil; 2 tsp. Italian Herb Blend; 2 tsp. Spike Seasoning (optional but recommended); salt and fresh-ground black pepper to taste; 2 cups sour cream; 1 cup grated sharp cheddar cheese; 2 cups grated Monterey Jack cheese

Instructions

Prep:45minCook:35min

This updated recipe for Cheesy Vegetarian Casserole is a perfect meatless main dish or side dish, especially for people who like cheese! And this fills a big casserole dish, so you'll have leftovers to reheat later.

Updated at: Sun, 18 Oct 2026 10:46:46 GMT