Cheesy Chicken and Potato Soup

Ingredients

• 1 Tbsp butter
• 1/2 medium onion, diced
• 1 tsp garlic, minced
• 1 tsp dried thyme
• 1 lb little potatoes, cut into 1-inch pieces
• 3 cups vegetable or chicken stock
• 1 cup milk, light cream, or heavy cream
• 3 Tbsp flour
• 1/2 cup cheddar cheese, shredded
• 1/2 lb cooked chicken, shredded or chopped
• 1 cup frozen peas or mixed vegetables, thawed
• (To taste) kosher salt or pepper, freshly ground
• (For garnish) parsley, chopped