Pesto Lasagna Rolls - Taste Spread

Ingredients

• Kosher salt and freshly ground black pepper
• 3 lasagna noodles
• 2 tablespoons unsalted butter
• 2 tablespoons all-purpose flour
• 1 cup whole milk
• 1 large egg
• 2/3 cups whole milk ricotta
• 1/3 cup frozen chopped spinach, thawed and squeezed dry
• 1/2 cup shredded mozzarella
• 2 tablespoons grated Parmesan
• 1/4 cup store-bought pesto
• 1 teaspoon extra-virgin olive oil
• Crushed red pepper flakes, optional