Cheesy Potato Casserole with Buttery Ritz Crackers

Bahan-bahan (8 porsi)

• 3 pounds Yukon gold potatoes, peeled and quartered
• 10 tablespoons (1 stick + 2 tablespoons) salted butter, at room temperature
• 3 -4 cups shredded sharp cheddar cheese
• 1 cup plain Greek yogurt or sour cream
• 1/2 cup whole milk or heavy cream
• 1 tablespoon fresh thyme or 2 teaspoons dried thyme
• 1 teaspoon each garlic and onion powder
• 1/2 teaspoon paprika
• 1/4 teaspoon cayenne pepper
• kosher salt and black pepper
• 1 1/2 cups crushed Ritz crackers ((about 1 sleeve))
• 1 clove garlic, grated
• 2 teaspoons Worcestershire sauce