Thick and Chunky Vegetable Chowder

Name: Thick and Chunky Vegetable Chowder
Ingredients: 32 ounces vegetable broth; 1 head of cauliflower, cut into florets; 1 head of broccoli, cut into florets; 3 medium russet potatotes, cut and diced; 3 carrots, peeled and diced; 3 stalks of celery, sliced; 1 yellow onion, chopped; 4 cloves garlic, minced; ½ tbsp Italian seasoning; ¼ tsp dried thyme; ¼ tsp paprika; ¼ tsp chili powder; 5 tbsp butter, unsalted and divided; 5 tbsp flour, all purpose; 3 cups whole milk; ½ cup heavy cream; 2 cups Cheddar Cheese, shredded or grated