Step 1

Preheat oven to 375 degrees F (190 degrees C). Grease a cast iron skillet.

Step 2

Mix together the cornmeal, flour, sugar, and salt in a bowl. Set aside.

Step 3

In a separate bowl, whisk together the eggs and oil. Stir in the cottage cheese, onion, and zucchini.

Step 4

Make a well in the dry ingredients and slowly pour in the wet ingredients. Mix until just combined. Pour into the skillet.

Step 5

Bake until lightly browned and a toothpick inserted in the center comes out clean, 35 to 45 minutes.