In a medium bowl, mix 2 cups of flour, baking powder, and salt. Add melted butter and warm water and mix with your hands until combined. Add more flour if needed 1 tablespoon at a time, but the dough should be a little sticky. Let dough rest for 10 minutes.
Heat a large skillet over medium heat.
While the skillet is heating up, divide the dough into 12 balls. On a lightly floured surface, use a pastry roller to roll each ball out into a circle about 8 inches wide.
Add one tortilla at a time to the hot skillet and cook for about 1 minute on each side, until bubbled and slightly browned on both sides. NOTE: Carefully wipe flour out of the pan between batches, otherwise it will accumulate in the pan and start to burn.
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Notes
Make ahead of time. Store cooked tortillas in a large resealable plastic bag on the counter for 2–3 days, or in the refrigerator for 1 week. These can also be frozen in a resealable plastic freezer bag for 4–5 months. Serving tip. The easiest way to keep tortillas warm for serving is to use a tortilla warmer. If you do not have one, you can use a pot with a lid that is slightly bigger than the tortillas. Use it up. Tortillas can be used to make Enchiladas, Chicken Tacos, Flautas, and Chimichangas.