Cook pasta according to directions.
Preheat oven to 375 degrees Fahrenheit.
Spray a 13 x 9 x 2 inch baking pan with non-stick cooking spray.
Heat olive oil in a skillet over medium-high heat.
Add green peppers, onions, minced garlic and ground beef and heat until beef is thoroughly cooked.
In a large bowl, combine beef mixture with the pasta, pasta sauce, diced tomatoes, black olives, spinach, basil, oregano and thyme.
Add pasta to the baking pan and sprinkle cheese over top of pasta.
Cook pasta for about 20 minutes or until cheese is melted.