Place parsley and shallots in a food processor, and process until shallots are finely chopped. Add mushrooms; process until finely chopped, scraping sides of bowl occasionally. Place the mushroom mixture in a deep-dish 10-inch pie plate. Microwave at HIGH 12 minutes, stirring every 4 minutes. Stir in 1 teaspoon oil, 1/4 teaspoon salt, 1/8 teaspoon black pepper, and red pepper.
Combine 2 teaspoons oil, 1/4 teaspoon salt, 1/8 teaspoon black pepper, garlic, and chicken in a bowl; toss well. Arrange chicken spokelike on top of mushroom mixture. Drizzle with half-and-half. Cover with plastic wrap; vent. Microwave at HIGH 7 minutes or until done.