From Moosewood Cookbook

2 lg. potatoes, cooked and mashed
1 cup minced onion
2-4 cloves, crushed garlic
1/2 tsp fresh grated ginger
1/2 tsp mustard seeds
1/2 tsp ground coriander
1/2 cup diced carrots, cooked until tender
1/2 cup cooked green peas
1 tsp salt
juice from 1/2 lemon
2-4 tbs. butter
cayenne pepper to taste

Heat butter in heavy skillet. Add garlic, ginger, onion, salt and mustard seeds. Saute 6-8 mins or unti onion is soft. Combine all ingredients except peas, and mix well. Fold in peas last, try not to smash them.
PAstry:
2 cups white flour
1 tsp. salt
4 tbs. melted butter
1/3 cup yogurt
water

Mix together flour and salt. Add melter butter , yogurt and enough water to make a stiff dough. Knewd until smooth and elastic. Roll out very thin (1/4 in.) on a floured surface and cut into 4 in. circles. Roll and cut all the dough. Plasce a tbsp. of filling in the center of each circle, leaving edges free. Brush edges with a little water, fold over, and seal with a fork.

heat a 3-in pool of vegetable oil in a heavy skillet. Make sure oil is hot enough . Fry samasoas until golden. Drain well and serve!