Easy CHICKEN LASAGNA With Creamy White Sauce

This white sauce Chicken Lasagna is so satisfying with layers of lasagna noodles and tender chicken with a creamy spinach sauce. ⬇️⬇️⬇️⬇️ RECIPE BELOW ⬇️⬇️⬇️⬇️ CHICKEN LASAGNA INGREDIENTS: ►9 lasagna noodles, cooked al dente ►4 cups shredded rotisserie chicken (or cooked from 2 lbs chicken breast) SPINACH CREAM SAUCE: ►1 Tbsp olive oil ►1 medium onion, finely chopped ►4 Tbsp unsalted butter ►1/3 cup all-purpose flour ►2 1/2 cups chicken broth ►1 1/2 cups half and half (or equal parts of heavy cream and milk) ►5 oz fresh spinach, coarsely chopped ►2 tsp sea salt ►1/2 tsp black pepper ►3 garlic cloves, minced CHEESE SAUCE INGREDIENTS: ►15 oz ricotta ►1 large egg ►1/4 cup parsley ►1/4 cup parmesan cheese ►3 cups mozzarella che