Ultimate Baked Gnocchi

Ingredients

• 3 tablespoons olive oil
• 4 large cloves garlic, chopped small
• 1/4 teaspoon red pepper flakes
• 1 tablespoon whole fennel seeds
• 1 (28-ounce) can whole peeled tomatoes
• 1 teaspoon salt
• 1/4 teaspoon black pepper
• 2 teaspoons dried oregano
• 4 cups kale, stems removed, chopped
• 1/2 pound fully-cooked Italian sausage links, cut into 1-inch chunks
• 1 1/2 (16-ounce) packages gnocchi
• 3/4 cup Pecorino Romano or parmesan cheese, grated
• 1 (8-ounce) package mozzarella cheese, cut into 1/4-inch slices