Zucchini Squash & Corn Casserole

Name: Zucchini Squash & Corn Casserole
Prep time: 15 min
Cook time: 45 min
Total time: 1 h
Cuisine: American
Ingredients: 1½ lb yellow squash (thinly sliced); 1½ lb zucchini (thinly sliced); ¼ cup butter (divided); 2 cups diced sweet onion; 2 garlic cloves (minced); 3 cups corn kernels; 1½ cups shredded white cheddar cheese; ½ cup sour cream; ½ cup mayonnaise; 2 large eggs (lightly beaten); 2 tsp pepper; 1 tsp salt; 1½ cups fresh breadcrumbs (divided); 1 cup grated parmesan cheese, (divided)

Instructions

Prep:15minCook:45min

Zucchini, Squash & Corn Casserole - our favorite side dish! Zucchini, Squash, Corn, Onion, garlic, white cheddar cheese, sour cream, mayonnaise, eggs, breadcrumbs and parmesan cheese. Seriously THE BEST!!! Great make ahead side dish. Perfect for all your potlucks, cookouts and holiday meals! #casserole #zucchini #squash #corn #sidedish #freezermeal

Updated at: Wed, 15 Apr 2026 01:23:06 GMT