Beer Puffs with Corned Beef Filling

Bahan-bahan (24 porsi)

• 1 cup beer ((your favorite))
• 1/2 cup (1 stick) unsalted butter
• 1 cup all purpose flour
• 1/2 teaspoon salt
• 4 large eggs
• 2 cups finely chopped deli corned beef
• 2 tablespoons finely chopped onion
• 2 tablespoons mayonnaise
• 2 tablespoons spicy brown mustard
• 1/4 teaspoon prepared horseradish