Funeral Potatoes | America's Test Kitchen

Ingredients

• 3 tablespoons unsalted butter
• 2 onions, chopped fine
• 1/4 cup all-purpose flour
• 1 1/2 cups low-sodium chicken broth
• 1 cup half-and-half
• 1 3/4 teaspoons salt
• 1/2 teaspoon dried thyme
• 1/4 teaspoon pepper
• 2 cups shredded sharp cheddar cheese
• 8 cups frozen shredded hash brown potatoes
• 1/2 cup sour cream
• 4 cups sour-cream-and-onion potato chips , crushed