Slow-Cooker Tomato Basil Soup with Parmesan Crisps
A vibrant tomato soup simmered until the flavors meld, with fresh basil and a hint of Parmesan for depth. The optional crispy Parmesan toppers add a fun texture that makes this soup irresistible to children. This italian-inspired slow cooker ready in about 260 minutes pairs (14.5 oz) cans diced tomatoes, low-sodium chicken broth, fresh basil for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 250 calories and feeds 4, so it slots cleanly into a weekly meal plan and pairs well with a quick salad or grain on the side. Tap "Plan a meal with the AI" below to drop this recipe into your week and send the ingredients straight to Instacart. Nutrition values are approximate, calculated from USDA FoodData Central (fdc.nal.usda.gov) — verify against ingredient labels for any health-driven dietary plan.
Ingredients
- 2 (14.5 oz) cans diced tomatoes
- 1 cup low-sodium chicken broth
- 1/4 cup fresh basil
- 1/4 cup grated Parmesan cheese
- 2 tbsp olive oil
- 1/4 cup all-purpose flour
- 1/2 cup grated Parmesan cheese
- 1/4 tsp salt
- 1/8 tsp black pepper
Instructions
- Step 1: In slow cooker, combine 2 (14.5 oz) cans diced tomatoes, 1 cup low-sodium chicken broth, and 1/4 cup fresh basil.
- Step 2: Stir in 1/4 cup grated Parmesan cheese, 1/4 tsp salt, and 1/8 tsp black pepper.
- Step 3: Cover and cook on low for 4 hours until flavors meld.
- Step 4: While soup cooks, prepare crisps: preheat oven to 375°F. Whisk 1/2 cup grated Parmesan cheese with 1/4 tsp salt. Drop 1 teaspoon mixture onto parchment-lined sheet.
- Step 5: Flatten slightly with spoon. Bake 5-7 minutes until golden and crisp.
- Step 6: Serve soup hot with Parmesan crisps sprinkled on top.
Equipment for this recipe
Top-rated tools to make this recipe successfully.
Frequently asked questions
How long does Slow-Cooker Tomato Basil Soup with Parmesan Crisps take to make?
Total time is about 260 minutes (20 min prep + 240 min cook). Most home cooks find this fits comfortably into a weeknight; double the batch on Sunday for two dinners.
How do I store leftover Slow-Cooker Tomato Basil Soup with Parmesan Crisps?
Cool to room temperature within 2 hours, then store in an airtight container in the fridge for up to 4 days. Reheat covered in a 350°F oven for 10-12 minutes, or microwave at 70% power in 60-second bursts to keep (14.5 oz) cans diced tomatoes from drying out.
Can I substitute ingredients in Slow-Cooker Tomato Basil Soup with Parmesan Crisps?
Yes — most ingredients in this recipe have flexible swaps. For oil, use any neutral high-smoke-point oil (avocado, grapeseed, refined coconut). For aromatics, dried herbs at ⅓ the volume of fresh work in a pinch. The full ingredient list is shoppable on Instacart so you can see substitutes in real time.
How do I scale Slow-Cooker Tomato Basil Soup with Parmesan Crisps for a different number of people?
The recipe is written for 4 servings. Multiply each ingredient by (your serving target / 4). Cook time stays roughly the same up to 2x; for 3-4x batches, switch from a skillet to a sheet pan or stockpot so the food isn't crowded — overcrowding steams instead of browns.
What goes well with Slow-Cooker Tomato Basil Soup with Parmesan Crisps?
Italian slow cooker like this pair well with a simple grain (rice, couscous, or crusty bread), a quick salad with acid (lemon vinaigrette, pickled onions), and a pan sauce or yogurt-based dip. Tap "Plan a meal with the AI" to get specific side suggestions.
What others are saying
- ★★★★★
Authentic Italian flavors! I made this for my husband's birthday dinner, and it was a hit. The parmesan crisps were a great touch.
- ★★★★★
This soup is absolutely divine! The basil and tomatoes are perfectly balanced, and the parmesan crisps were the perfect topping. Made for my family, and they loved it too!
- ★★★★★
My family enjoyed this soup so much that they asked for seconds. The slow cooker made it so easy, and the parmesan crisps added a nice crunch.