Croissant Sandwich Egg Bake

7 servings Ingredients: 10 large Oakdell Omega-3 brown eggs 7 store-bought croissants (standard size) 1/3 cup mayonnaise 6 tablespoons Dijon mustard, divided 14 slices thick-cut deli honey ham 7 slices Swiss cheese 2 cups half & half or whole milk [...]