Crockpot Creamy Sun-Dried Tomato Lasagna Soup

Bahan-bahan (6 porsi)

• 4 tablespoons salted butter
• 1/4 cup all-purpose flour
• 1 yellow onion, chopped
• 4 cloves garlic, chopped
• 2 tablespoons Italian seasoning
• chili flakes
• 1 cup chopped celery
• 1 jar (8 ounce) oil-packed sun-dried tomatoes, oil drained
• 6 cups broth
• salt and black pepper
• 1 pound Taccole pasta, or 8 lasagna noodles, broken into pieces
• 4 cups chopped baby spinach
• 1 cup heavy cream
• 1 cup milk
• 1 cup shredded provolone cheese
• 1/2 cup grated parmesan