Easy Tomato Soup Recipe

Ingredients

• 4 tablespoons butter
• 1 large onion (roughly chopped)
• 2 garlic cloves (sliced)
• 2 (28-ounce) cans fire roasted crushed tomatoes
• 4 cups low-sodium vegetable broth
• 1 teaspoon salt
• ½ teaspoon black pepper
• ¼ cup packed fresh basil leaves (plus more for serving)