Preheat oven to 350 degrees. Cook spaghetti noodles according to package directions and drain. Cook minced garlic, ground beef, green peppers and white onion in a large skillet on top of stove. Drain.

Add liquid smoke, Worcestershire sauce, bbq sauce and tomato sauce to meat and stir to mix. Spray a 9X13 baking pan with cooking spray. In a large bowl, mix spaghetti noodles and meat mixture together. Add in a cup of cheddar cheese.

Place in 9X13 baking dish and sprinkle the rest of the cheese on top. Bake for 15-20 minutes or until cheese is completely melted.