Bacon Scalloped Potatoes | America's Test Kitchen

Ingredients

• 8 slices bacon , chopped fine
• 1 onion , chopped fine
• 2 garlic cloves , minced
• 2 1/2 teaspoons salt
• 1/4 teaspoon cayenne pepper
• 5 pounds russet potatoes , peeled and sliced thin
• 3 cups half-and-half
• 1/4 teaspoon baking soda
• 2 cups shredded cheddar cheese
• 3 tablespoons chopped fresh parsley