Broccoli and Cauliflower Soup

Name: Broccoli and Cauliflower Soup
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Cuisine: American
Ingredients: 1/2 yellow onion, diced; 2 cloves garlic, minced; 3 Tbsp. unsalted butter; 1 head cauliflower, chopped into small pieces; 2 heads broccoli, chopped into small pieces; 1 large carrot, diced; 1 tsp. salt; 1/2 tsp. pepper; 3 Tbsp. flour*; 1 tsp. dried basil; 1 tsp. red pepper chili flakes (optional); 6 cups chicken broth (or vegetable broth); 2 cups shredded cheddar cheese; 1 cup heavy whipping cream; Garnish: bacon, cheddar cheese, toasted bread