2 lbs. zucchini, thinly sliced
2 eggs, separated
1 c. sour cream
2 tbsp. flour
1 1/4 c. grated Cheddar cheese
6 slices bacon, cooked and crumbled
1 tbsp. butter
1/4 c. fine bread crumbs

Cook zucchini until tender; drain. Combine egg yolks, sour cream, and flour. Beat egg whites until stiff and fold into sour cream mixture. Place 1/2 the zucchini in an 11 x 7 inch baking dish. Top with half the sour cream mixture and 1/2 the cheese. Sprinkle crumbled bacon over cheese. Repeat layers. Melt butter; stir in bread crumbs and sprinkle over cheese. Bake at 350 degrees for 20-25 minutes.