Spaghetti Squash Casserole - With meat

3 tablespoons butter or margarine 1 cup mushrooms fresh, sliced 1/3 cup leeks chopped 1/4 cup celery chopped 3 tablespoons sweet red bell pepper chopped 3[...]

1 spaghetti squash 1 cup sliced mushrooms 1 onion , diced 1 bell pepper , diced garlic , to taste cumin , to taste 16 ounces tomato sauce ground beef cheese 1[...]