Stuffed Zucchini - cooking recipe

Ingredients

1 large zucchini
1 1/2 lb. ground beef
1/2 large onion, chopped
1/2 c. Parmesan cheese
1 1/2 c. shredded Mozzarella cheese
tomato sauce
1/2 tsp. garlic powder

Preparation

Slice zucchini in half lengthwise.
Hollow out and reserve 1/2 of zucchini insides.
Dice the reserved insides.