Marinate the Chicken: Marinate chicken breast and thigh with blended onion, minced garlic, Worcestershire sauce, and butter.
Brown the Chicken: Heat oil in a pot, add marinated chicken without stirring to brown.
Prepare the White Sofrito: Add minced garlic, onion, capers, aji cristal, leek, and chives to the pot and sauté.
Prepare the Red Sofrito: Add diced tomatoes, red bell pepper, and optional sweet chili to the pot and sauté.
Combine Ingredients: Add papelón, raisins, bay leaf, paprika, salt, pepper, wine, and Worcestershire sauce. Return chicken to the pot and cook until done.
Cool the Filling: Allow the chicken filling to cool before assembling the dough.
Make the Dough: Mix flour, butter, margarine, salt, and powdered sugar. Add egg yolks and water as needed.
Assemble the Polvorosa: Roll out dough, place in baking dish, fill with cooled chicken mixture, cover with dough, and seal edges.
Bake: Bake in a preheated oven at 180°C until golden brown.
Serve: Let cool slightly before unmolding and serve with microgreens.