Preheat oven to 350°F.
Brown the Italian sausage in a large sauté pan over medium-high heat, breaking it into pieces as it cooks.
Transfer the browned sausage to a 9x13 inch baking dish.
Layer the potato chunks, bell pepper slices, diced onion, and minced garlic over the sausage.
Pour the crushed tomatoes evenly over all ingredients.
Sprinkle with dried basil, salt, and pepper to taste.
Cover tightly with foil and bake for 50 minutes or until potatoes are tender.
Remove foil and bake uncovered for an additional 20 minutes to allow top to brown slightly