Steak Crostinis with Horseradish Havarti

Ingredients

• 4 small sirloin steaks
• 2 pinches coarse salt
• 1 tablespoon brown sugar
• 1 tablespoon used coffee grounds
• 1/2 teaspoon ground cayenne pepper
• 1 baguette, sliced diagonally into 1/4-inch slices
• 2 tablespoons olive oil
• 1/2 teaspoon garlic powder
• 1 cup fresh arugula leaves
• 1 (6-oz) wedge Roth Horseradish Havarti cheese, cut into 15 slices