Indian flat bread that puffs up in oven. From "1000 Indian Recipes".

Ingredients:

2 tsp yeast
1 tsp sugar
1/4 cup warm water
1/2 cup yogurt
2 Tbsp oil
2 cups flour
1/4 tsp salt
1/4 cup melted butter

Instructions:

1. Dissolve yeast and sugar in water, after 5 minutes mix in yogurt and oil.
2. Mix flour and salt, slowly mix in (1), and form into a ball.
3. Let rise until doubled, 3-4 hours.
4. Split dough into 12 balls.
5. Take each ball, coat with flour and form into 7-8 inch triangle (equilateral?).
6. Place 3-4 triangles on baking tray, lightly baste with water to prevent drying out.
7. Broil 4-5 inches below heating element: about 1 minute until brown spots start to appear, then about 30 seconds turned over until golden.