This Slow Cooker Tomato Basil Soup is rich, smooth, and full of classic flavor. Made with simple pantry ingredients and fresh basil, it’s an easy dump-and-go crockpot soup perfect for busy weeknights or cozy lunches. Pair it with grilled cheese for the ultimate comfort meal. Save this easy slow cooker soup for later.
Why You’ll Love This Recipe
- Quick & easy – dump-and-go slow cooker soup
- Family-friendly – smooth, cozy, and comforting
- Budget-friendly – simple pantry ingredients
- Customizable – creamy or dairy-free options
Ingredients
For the Soup
- 2 (28-oz) cans crushed tomatoes
- 1 small onion, diced
- 3 cloves garlic, minced
- 3 cups vegetable broth (or chicken broth)
- 1 tbsp olive oil
- 1 tsp salt
- ½ tsp black pepper
- 1 tsp sugar (optional, to balance acidity)
For Finishing
- ½ cup heavy cream or coconut milk (optional)
- ½ cup fresh basil, chopped
- Grated Parmesan cheese (optional)
Step-by-Step Instructions
- Add crushed tomatoes, onion, garlic, broth, olive oil, salt, pepper, and sugar to the slow cooker.
- Stir to combine.
- Cover and cook on LOW for 6–7 hours or HIGH for 3–4 hours.
- Use an immersion blender to blend the soup until smooth.
- Stir in cream (if using) and chopped basil.
- Cover and cook for an additional 10–15 minutes.
- Taste and adjust seasoning before serving.
Equipment
- Slow cooker (4–6 quart)
- Immersion blender or countertop blender
- Cutting board & knife
- Measuring cups & spoons
- Ladle
Tips & Variations
- Extra creamy: Add more cream or a knob of butter
- Dairy-free: Use coconut milk or skip the cream
- Roasted flavor: Use fire-roasted tomatoes
- Storage: Refrigerate up to 4 days
- Freezing: Freeze up to 3 months (without cream for best texture)
Serving Suggestions
- Serve with grilled cheese sandwiches
- Pair with garlic bread or croutons
- Top with Parmesan, basil, or a drizzle of cream
Nutrition Facts (Approximate per Serving)
- Calories: 210
- Protein: 5g
- Carbohydrates: 24g
- Fat: 10g
- Fiber: 5g
Conclusion
This Slow Cooker Tomato Basil Soup is smooth, cozy, and packed with classic flavor perfect for effortless comfort meals. Whether you serve it for lunch, dinner, or meal prep, it’s a slow cooker staple you’ll come back to again and again. Save it, print it, and share the comfort!
FAQ: Slow Cooker Tomato Basil Soup
Can I freeze tomato basil soup?
Yes Freeze without the cream, then add it when reheating.
Can I make this soup dairy-free?
Absolutely. Use coconut milk or skip the cream entirely.
Do I need fresh basil?
Fresh is best, but dried basil works in a pinch (use 1–2 teaspoons).
How do I reduce tomato acidity?
A small amount of sugar or cream helps balance acidity.
Can I use fresh tomatoes?
Yes, but canned tomatoes give the best consistent flavor.