2 cups Bora Saul (glutinous/sticky rice)
Water (for soaking)
1 cup black sesame seeds (Til)
1 cup jaggery (Gur), grated or chopped
Optional:
1 tsp fennel seeds
Wash and soak sticky rice for 4–6 hours or overnight.
Drain well and spread on a cloth for 30 minutes. It should be slightly damp, not dry.
Grind into a fine powder.
Sieve and press into a bowl. Cover with a wet cloth to keep moisture.
Dry roast sesame seeds until fragrant and crackling.
Cool and coarsely grind.
Mix with jaggery (and optional flavorings) using fingers until crumbly and sticky.
Heat an iron tawa on low flame.
Spread a small handful of rice flour in a thin circle.
When edges firm up, add 1 spoon filling in center.
Quickly roll into a thin cylinder.
Move to side of pan and cook 30 seconds more.
Repeat for all pithas.
Pan should be warm, not too hot.
Always keep rice flour covered with a damp cloth.
Find it online: https://barashadas.com/til-pitha-recipe-assamese-bihu-festival/