Pulse the nuts/seeds in a food processor until roughly chopped, set aside. Add
all remaining ingredients (except water) to the food processor and mix until well blended. Add a few tablespoons of water until the mixture is crumbly but just moist enough to stick together. Stir the nuts/seeds through last.
Press firmly into the bottom of a small loaf tin and chill to firm. Once firm, chop into bars and store in the fridge.