4 c. sliced zucchini, 1/4 inch slices
1 c. chopped onion
1 1/2 c. shredded Cheddar cheese
2 cans (6 oz.) drained tuna or salmon

In separate bowl mix:

3 eggs
1/2 c. vegetable oil
1/2 tsp. oregano
1/2 tsp. pepper
1 tsp. salt
1 1/2 c. Bisquick
1/8 c. milk

Add all ingredients together. Spread in 8 inch baking pan. Bake at 400 degrees for 30 minutes.