Slow Cooker Broccoli Cauliflower Cheese Soup

broccoli florets, chopped

cauliflower florets, chopped

garlic, minced

diced shallots

large carrot, diced

low sodium vegetable or chicken broth

Kosher salt, black pepper and hot sauce

milk, I used 1% milk

extra sharp white cheddar cheese, shredded

plain non-fat Greek yogurt