Mix yeast, warm water, and sugar.
Let it sit for about 10 minutes until foamy.
Add flour, salt, yogurt, and olive oil.
Mix to form a soft dough.
Knead on a floured surface for 5 minutes.
Put dough in an oiled bowl, cover, and let rise.
Let it rise for about 1 hour until it doubles in size.
Divide dough into 8 pieces.
Roll each piece into a thin oval.
Heat a skillet over medium-high heat.
Cook each naan for 1-2 minutes on each side.
Brush hot naan with melted butter and garlic.
Garnish with cilantro or parsley if you like.