In a small saucepan over low heat, whisk together buffalo sauce, butter, and honey until melted and combined. Remove from heat.Preheat oven to 400 F.Spread half of buffalo sauce onto flatbreads. Then, set aside.Add chicken to saucepan and stir evenly to coat with buffalo sauce.Top flatbreads with 1 cup of cheese. Divide the chicken, pineapple, and blue cheese evenly among the pizzas. Top with remaining cheese and sprinkle with chopped green onions.Bake for 10 to 12 minutes, or until the cheese is melted and bubbly. Garnish with additional buffalo sauce and fresh parsley, if desired.