Ingredients

• 6 lasagna noodles
• 2 tablespoons butter
• 1 onion, chopped
• 1 (300 g) package frozen chopped spinach, thawed and drained
• 1 cup shredded mozzarella cheese
• 1/4 cup sour cream
• 1 teaspoon dried basil
• 1/4 cup butter
• 1/4 cup flour
• 1 1/2 teaspoons instant chicken bouillon
• 1 cup light cream or 1 cup half-and-half
• 3 tablespoons instant powdered milk, disolved in
• 3/4 cup warm water
• 1/2 cup parmesan cheese
• 1/2 teaspoon pepper
• 1/4 teaspoon salt
• 1 egg, slightly beaten
• 1 garlic clove, pressed
• 1 portabella mushroom, chopped