In large bowl or stand mixer, add Flour, Baking Powder and salt then mix together.
Once combined add in Oil, Beaten egg begin to mix again. While mixing add in water until fully combined.
If you did not use a stand mixer with a kneading hook, remove the dough from the bowl and knead it.
Cover bowl with plastic wrap and place in the refrigerator for 30 minutes.
Lightly flour working surface, roll out dough until you have a 15 inch long log, and slice into roughly 1 inch sections.
Flatten out the cut dough, brush with your egg wash.
Fill with desired amount of cubed Guava Paste and Cream cheese.
Fold dough over, using fork crimp the edges. Repeat until all the ingredients have been used.
On the stove fill a pan with about 1-1/2 of oil, heating it up on Medium High.
Fry each Empanadilla for roughly 2 inches on each side until it is a nice golden brown.
Serve and enjoy!