Ingredients
Method
- Add tomatoes, broth, onion, garlic, sugar, basil, salt, and pepper to the crockpot. Stir.
- Dot butter on top. Cover and cook on low for 4 hours or high for 2 hours.
- Use an immersion blender to puree until smooth. Stir in half-and-half and Parmesan.
- Taste and adjust salt. Keep warm until dinner; stir before serving.