Smoked Turkey Panini - Martin's Famous Potato Rolls and Bread

Ingredients

• 1 Cup Mayonnaise
• 2 Tablespoons Poblano Peppers, chopped fine
• 1 Teaspoon Onion Powder
• 1 Tablespoon Red Wine Vinegar
• 1/2 Teaspoon Cayenne Pepper
• 8 Slices Martin’s Potato Bread
• 1/2 Pound Sliced Deli Smoked Turkey
• 1/2 Pound Sliced Provolone Cheese
• 3 Cups Baby Spinach
• 1 Tomato, sliced
• Butter, for cooking