Roast Beef Panini - With greens

1/4 cup mayonnaise 2 teaspoons sun-dried tomatoes , minced 1 teaspoon garlic , minced 1 teaspoon prepared horseradish 1 teaspoon ketchup 1 pinch cayenne[...]

10 slices sourdough bread 2 (4 ounce) cans whole green chilies 1 lb deli sliced roast beef 5 slices sharp cheddar cheese 4 ounces mozzarella cheese , grated 4[...]

2 slices hearty bread, such as ciabatta 2 tablespoons sun-dried tomato pesto 4 slices deli roast beef 1 jarred artichoke heart , coarsely chopped 1 slice[...]