Delicious Cheddar Puffs

INGREDIENTS

• 1 loaf Crusty French Bread, Cut Into 1-inch Cubes
• 1/2 stick Butter
• 3 cloves Garlic, Minced
• 1 whole Shallot, Minced
• 1-1/2 teaspoon Dijon Mustard
• 8 ounces, weight Cream Cheese, Sliced
• 1-1/2 cup Grated Cheddar Cheese
• Salt And Freshly Ground Black Pepper, To Taste
• 2 whole Egg Whites, Beaten