Great Nana's Zucchini Appetizers

From my daughter's great grandmother.. She used to work in a school cafeteria, and this was a big hit with the teachers. These are a great brunch snack.

• Ready In: 40 mins
• Serves: 18-20

Ingredients

• 1⁄2 cup onion, grated
• 1⁄2 cup  vegetable oil
• 1⁄4 teaspoon dried oregano
• 1⁄2 cup parmesan cheese, grated
• 1⁄2 teaspoon salt (to taste)
• 1  tablespoon garlic powder
• 4  large eggs, beaten
• 1  cup Bisquick baking mix
• 3  cups zucchini, skin on, cut wafer thin

Directions

1. Beat eggs, then add onion, oil, oregano, cheese, salt, garlic powder.
2. Using a wooden spoon, fold in the Bisquick and the zucchini slices.
3. Pour into a 9x13" greased baking dish and bake at 350 F for about 30-35 minutes (until puffed and top is lightly browned).
4. These will be very low in the pan when baked.
5. Cut into squares and serve.