Preheat oven to 400°F
Cook the pasta right before it’s al dente in salted water. 1 pound of pasta = 1 tablespoon salt: 4 quarts (16 cups) water.
In a large dutch oven or soup pot set over medium-high heat. Brown the ground beef, sausage, onion, bell peppers, and garlic. Drain the fat if there is an excess of it.
Add the tomato purée, diced tomatoes all seasoning, sugar, and heavy cream, stir until combined. Simmer for 15 minutes. Reserve about a cup of sauce.
Drain the pasta, rinse it if it gets stuck together. Combine pasta and sauce. Transfer half of the pasta and sauce mixture to a 9x13 baking dish for your first layer.. Dollop half of the mascarpone throughout the dish. Add some of your mozzarella slices and sprinkled pepper jack. Add remaining pasta and sauce mixture and top with reserved sauce. Cover with foil and bake for 20 minutes.
Remove from oven and remove foil. Add remaining cheeses and place bake in the oven, uncovered, for 15-17 minutes until lightly browned and bubbly.
Remove from oven. Let set 5-10 minutes before serving.