1. Preheat the oven to 375°F. In a medium bowl, combine the artichokes, red pepper, cheese blend, 1/2 c. of the Parmesan cheese, parsley, mayonnaise, garlic, pepper, and cayenne; mix well.
2. Place the focaccia halves on a baking sheet. Sprinkle each half with 1 Tbsp. of olive oil and 1/4 c. of the Parmesan cheese.
3. Divide and spread the artichoke mixture on each focaccia half. Bake for 20 to 25 min. or until bubbly.