Slow Cooker Tomato Basil Soup

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Details

10 Ingredients

• 3 Tbsps olive oil
• 3 large carrots, peeled and finely diced
• 2 medium sweet onions, finely diced
• 4 cloves garlic, peeled and left whole
• 1 tsp crushed red pepper flakes
• 1 Tbsp salt
• 3 28-oz cans whole peeled tomatoes
• 1 qtchicken broth
• 10 basil leaves (plus more for garnish)
• Freshly grated Parmesan (for garnish, optional)