Low-Carb Zucchini Pizza Casserole

Ingredients (11)

• + 4 cups shredded zucchini add to pantry
• + ¼ teaspoon salt add to pantry
• + 2 large eggs add to pantry
• + 1 ½ cups shredded mozzarella cheese, divided add to pantry
• + ½ cup grated Parmesan cheese add to pantry
• + 1 teaspoon Italian seasoning add to pantry
• + ½ teaspoon garlic powder add to pantry
• + 1 pound 85% lean ground beef add to pantry
• + ½ white onion, chopped add to pantry
• + 1 cup pizza sauce add to pantry
• ✓ 1 ounce pepperoni slices