In a mixing bowl, whisk together the flour, baking powder, and salt.
Add the Greek yogurt, warm water, and olive oil. Mix until a dough forms.
Knead the dough on a floured surface for 5 minutes until smooth.
Divide the dough into equal portions and roll out into oval shapes.
Heat a skillet over medium-high heat and cook each naan for 1-2 minutes per side until golden and bubbly.
Brush with melted butter and serve warm.