Preheat oven to 250.
Add the wings to a large bowl. Sprinkle with baking powder and salt, toss to coat.
Place a wire rack over a baking sheet, brush with oil or spray with cooking spray.
Place the wings on the wire rack.
Bake in the lower section of the oven for 30 minutes. Move to the upper 1/3 of the oven, increase oven temperature to 425. Bake for 35-45 minutes or until golden brown.
In a large bowl stir together the beer, melted butter, sriracha, honey, cayenne pepper (as little or as much as you want for the heat level you want) and cornstarch.
Toss the wings in the sauce, serve warm.