Pumpkinseed Raw Burger. The recipe for this raw pumpkinseed burger is very simple and delicious! I also made a barbeque sauce, you will find the recipe below. BURGERS : ∞ Process in a juice extractor with the homogenizing blank : 2 cups of pumpkin seeds soaked between 4 to 8 hours. 1 cup of walnut soaked 8 hours. 2 cups of chopped carrots. ½ chopped onion. 2 chopped garlic. 1 tablespoon of sea vegetable. 1 tablespoon of tamari.