Preheat oven to 350 degrees F (175 degrees C).

In a large skillet over medium heat, heat olive oil. Saute garlic and onions in oil until tender. Stir in tomato paste, black pepper, cumin, thyme, tomato juice, water, ketchup and salt. Reduce heat to low, and simmer 15 minutes.

While sauce is simmering, bring a large pot of lightly salted water to a boil. Add pasta and cook for 8 to 10 minutes or until al dente; drain.

Stir the cooked pasta into the sauce. Stir in 1 cup of the shredded mozzarella. Pour all into a 9x13 inch baking dish. Top with the remaining mozzarella, sliced olives and bell pepper.

Bake in preheated oven 20 to 30 minutes, until hot and bubbly.