In a bowl, combine amaranth flour, all-purpose flour, milk powder, baking powder, and salt.

In a separate bowl, whisk together vegetable oil, honey, water, and vanilla extract.

Combine the wet and dry ingredients and mix thoroughly until a batter forms.

Preheat oven to 325°F (160°C).

Lightly oil a baking sheet.

Drop spoonfuls of batter onto the prepared baking sheet.

Press a chunk of papaya into the center of each cookie.

Bake for 12 to 15 minutes, or until golden brown.

Cool on a rack before serving.