01 -
Preheat oven to 190°C (375°F).
02 -
In a large skillet over medium heat, brown the Italian sausage, breaking it into small pieces with a spatula. Drain excess fat if necessary.
03 -
Add diced bell peppers and chopped onion to the skillet. Sauté for 5 minutes until softened. Stir in chopped spinach and cook for an additional 2-3 minutes until wilted.
04 -
In a separate bowl, combine ricotta cheese, Italian seasoning, salt, and pepper. Add this mixture to the skillet with the sausage and vegetables. Stir until well incorporated.
05 -
Unroll crescent roll dough onto a large baking sheet. Separate into triangles and arrange in a circular pattern with edges slightly overlapping to form a base.
06 -
Spoon the sausage and vegetable mixture evenly over the crescent roll base. Drizzle marinara sauce over the top, spreading gently with the back of a spoon.
07 -
Sprinkle shredded mozzarella cheese evenly over the assembled casserole.
08 -
Carefully fold the outer edges of the crescent dough over the filling, leaving the center exposed.
09 -
Transfer to preheated oven and bake for 25-30 minutes, or until the crescent dough is golden brown and thoroughly cooked.
10 -
Allow to cool for 5 minutes. Garnish with fresh basil leaves if desired, then cut into wedges and serve warm.