Easy One-Pan Lasagna

As the cooler weather is starting, it’s the perfect time for this easy lasagna.

Ingredients

2 tsp olive oil
1 large white onion, finely chopped
3 Italian sausages, casings removed
227 g sliced cremini mushrooms, (3 cups)
3 cloves garlic, minced
1/2 tsp hot pepper flakes
796-mL can plum tomatoes, chopped
1 egg, beaten
454-g tub smooth ricotta
1 1/2 cups grated parmesan, divided
6 fresh lasagna noodles
1 cup shredded part-skim mozzarella

Instructions

HEAT oil in a deep 10-in. oven-safe frying pan over medium-high. Add onion and cook until almost soft, 3 min. Add sausages and cook until browned, 3 to 4 min. Add mushrooms, garlic and pepper flakes and cook until mushrooms are soft, 5 min. Stir in tomatoes and reduce heat to medium. Gently boil until sauce thickens slightly, 12 to 15 min. Transfer to a large bowl.
STIR egg, ricotta and 1/2 cup of the parmesan in a medium bowl.
SPREAD 1 heaping cup of the meat mixture in bottom of same frying pan. Cover with 2 lasagna noodles, cutting to fit pan. Layer with 1 heaping cup of meat mixture and half of the ricotta mixture. Repeat layers, ending with meat mixture.
BRING to a boil, then reduce heat to medium-low. Cover and simmer until noodles are cooked through, 12 to 15 min. Remove from heat. Sprinkle with remaining 1 cup parmesan and mozzarella.
BROIL in centre of oven until cheese is melted and browned, 1 to 2 min.

From Chatelaine.com,  you can find the original post here.