Ultimate Grilled Cheese Sandwich Recipe from Switzerland

Ingredients

• 1 pack of butter
• 4 slices of Country White sourdough bread , cut diagonally into slices that are 0.33 inches thick (each slice should be about 7 x 3.5 inches)
• 4 thin slices of prosciutto
• 8 large fresh basil leaves
• 8 slices of cheese ( colby , colby -Jack cheddar , swiss , mozzarella , or asiago ), each slice should be 0.25 inches thick
• 0.25 tsp of dried crushed red pepper
• 2 tbsp of olive oil
• 6 slices of heirloom tomato , each slice should be 0.33 inches thick