The Ultimate American Casserole | Cooking Professionally

Ingredients

• 1 pound Yukon gold potatoes, peeled and quartered
• kosher salt, to taste
• black pepper, to taste
• 1/4 cup low-fat sour cream
• 1/4 cup whole milk
• 2 ounces extra-sharp cheddar cheese, coarsely grated
• 1 tablespoon olive oil
• 1 large onion, chopped
• 1 large carrot, cut into 1/4-inch pieces
• 1 pound ground beef, at least 90% lean
• 1 tablespoon tomato paste
• 1 1/8 teaspoons ground cinnamon, or to taste
• 2 tablespoons flour
• 1 teaspoon fresh thyme leaves
• 1 (14.5-ounce) can petite diced tomatoes, drained
• 1 cup low-sodium beef or chicken broth