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Cheesy zucchini cornbread casserole baked in a dish, golden and bubbly on top

Cheesy Zucchini Cornbread Casserole


  • Author: Velma
  • Total Time: 55 minutes
  • Yield: 68 servings 1x
  • Diet: Vegetarian

Description

This Zucchini Cornbread Casserole is what happens when classic cornbread meets garden-fresh zucchini and creamy cheese, moist, savory, and deeply comforting. Whether you’re serving it as a side dish at a summer cookout, a cozy addition to a holiday spread, or a satisfying vegetarian main course, this casserole delivers on flavor and texture.


Ingredients

Scale
  • 2 cups grated zucchini (squeeze out excess moisture)
  • 1 (8.5 oz) box corn muffin mix (e.g., Jiffy)
  • 2 large eggs
  • 1/2 cup sour cream
  • 1/4 cup milk
  • 1/2 cup shredded cheddar cheese (plus more for topping)
  • 1/4 cup grated parmesan
  • 1/4 cup chopped green onions or chives
  • 1/2 tsp garlic powder
  • Salt and black pepper, to taste
  • Optional: pinch of cayenne for heat or 1/2 cup corn kernels for texture

Instructions

  1. Preheat oven to 375°F (190°C). Grease a 9×9-inch baking dish or casserole pan.
  2. Prepare zucchini: Grate zucchini and squeeze out as much moisture as possible using a clean towel or cheesecloth.
  3. Mix wet ingredients: In a large bowl, whisk together eggs, sour cream, and milk.
  4. Add dry ingredients: Stir in cornbread mix, garlic powder, and a pinch of salt and pepper until just combined.
  5. Fold in add-ins: Add zucchini, cheddar, parmesan, green onions, and any optional mix-ins (corn, cayenne).
  6. Transfer to dish: Pour batter into prepared baking dish and spread evenly. Top with extra cheese.
  7. Bake: Bake 35–40 minutes, until golden brown and a toothpick comes out clean from the center.
  8. Cool slightly & serve: Let sit for 5–10 minutes before slicing. Serve warm.

Notes

  • Make it spicier: Add diced jalapeños or a splash of hot sauce.
  • Make it gluten-free: Use a gluten-free cornbread mix.
  • Add protein: Stir in cooked bacon bits or browned sausage for a meaty upgrade.
  • Make ahead: Bake, cool, and refrigerate—just reheat in the oven or microwave before serving.
  • Prep Time: 15 minutes
  • Cook Time: 40 minutes
  • Category: Side Dishes
  • Method: Baked
  • Cuisine: American

Nutrition

  • Serving Size: 1 slice
  • Calories: 215 kcal
  • Sugar: 4g
  • Sodium: 440mg
  • Fat: 11g
  • Saturated Fat: 5g
  • Unsaturated Fat: 5g
  • Trans Fat: 0g
  • Carbohydrates: 22g
  • Fiber: 1g
  • Protein: 6g
  • Cholesterol: 55mg