Slice zucchini into 1/2" thick ... minutes; drain. Brown meat and onion and cook until ... a 2 quart casserole, layer zucchini, meat and ... oven for 30 minutes.
Cook macaroni until slightly tender. Drain, set aside. Brown ground beef and onions in small skillet. ... Oil a 1-quart casserole and spoon in 1/3 of meat mixture. Add cooked macaroni, then ... May be frozen unbaked.