Heat some oil in a skillet. Sauté the onions and bell peppers until softened. Add the ground beef, garlic, parsley, cilantro, and the rest of the spices. Cook until the mixture is done, then set aside to cool.

On a floured surface, roll out the puff pastry. Cut it into triangles. Place 1 tablespoon of filling on each triangle, then roll up from the wide end. Curve the ends to form a croissant shape.