Hearty Vegetable Chowder Recipe

Name: Hearty Vegetable Chowder Recipe
Ingredients: 1 tsp avocado oil (or olive oil, or broth); 1 onion (yellow, chopped, about 1 cup); 3 cloves garlic (minced ); 1 tsp Italian seasoning; 1/4 tsp cayenne pepper (optional, for spice); 1/2 tsp black pepper; 1 lb radishes (about 1 cup, cut into quarters); 4 carrots (about 2 cups, chopped); 4 stalks celery (about 2 cups); 1 yellow squash (about 1 cup, chopped); 2 cups cauliflower (florets); 2 cups broccoli (florets); 3 cups vegetable broth (low sodium); 1/4 cup brown rice flour (or whole wheat flour); 3/4 cup Greek yogurt (plain, 2%); 1 1/3 cup cheddar cheese (shredded )