1 Chop grapes and onion in food processor; drain excess liquid. Combine grapes, onion, cheese and oregano. Brush both sides of bread rounds with oil. 2 Bake at 400°F, 8 to 10 minutes or until lightly toasted. Sprinkle with grape and cheese mixture and cracked pepper.3 Broil 4 to 6 inches from heat source 1 to 2 minutes or until cheese is bubbly. Serve immediately.