Eggs with dijon

1 tablespoon olive oil , plus more for pan 6 English muffins , split and cut into 1-inch pieces 1 leek , cut into 1/4-inch thick half moons (white and light[...]

4 large eggs 3/4 cup 1% low-fat milk 1/4 teaspoon salt 1/4 teaspoon pepper 1 dash hot sauce 1 dash Dijon mustard 2 tablespoons parmesan cheese , grated 1 1/2[...]