Baked Spaghetti Casserole

2 1/4 lbs spaghetti squash , medium 12 ounces Italian sausage , ground 1 1/2 cups fresh mushrooms , sliced 1 green bell peppers or 1 red bell pepper , chopped[...]

2 cups canned diced tomatoes 2 cups tomato sauce 1/2 cup diced onion 1/2 cup diced green bell pepper (we used red) 2 cloves garlic , chopped 1/4 cup chopped[...]

1 (1 lb) box angel hair pasta 1/2 cup parmesan cheese 2 eggs 1/3 cup milk 1/2 cup margarine 1 1/2 lbs ground beef 2 teaspoons minced garlic 1/2 cup chopped[...]