Easy Chicken Lasagna Recipe, with white sauce and mushrooms

Ingredients

• 12 oz (350g) mixed mushrooms (sliced)
• 1 lb (450g) chicken breast (sliced)
• 1 Tbsp olive oil
• 1 Tbsp butter
• 1/2 Tbsp Italian seasoning
• 1 onion (diced)
• 3-4 garlic cloves (minced)
• ½ tsp crushed red pepper flakes
• 2 1/2 cup (500ml) chicken broth
• 1 1/2 cup (300ml) double cream
• 8 lasagna sheets (broken into squares)
• ¾ cup (75g) parmesan (grated)
• 1 cup (110g) fresh mozzarella
• 3-4 Tbsp fresh parsley (sliced thinly)