Mix until the color is even throughout the dough. The addition of food coloring is strictly optional, though.
[header] How to make hopia baboy [title] Mix together the oil dough. [step] Combine 1 cup (250 ml) all-purpose flour with 1/3 cup (80 ml) vegetable oil, mixing until evenly combined into a smooth dough. [substeps] If desired, you can also add 1/4 tsp (1.25 ml) red or yellow food coloring after combining the oil and flour.