Step 1 Butter one side of each slice of bread with about ½ teaspoon (2.5 mL) butter. Place bread into cups of muffin tins, buttered side down, pressing to fit into the shape of the cups. If using, place a slice of ham on top of bread, folding over as necessary and pressing into cup to fit. Carefully crack an egg into each bread cup. Sprinkle about 1 tablespoon (15 mL) cheese over each egg.
Step 2 Bake in a preheated 350°F (180°C) oven until eggs are cooked, 18 to 20 minutes. Let rest for a few minutes before serving as Egg Baskets will be hot. If necessary, run knife around Egg Baskets to loosen from muffin tin.