Combine rice and lentils in a medium bowl, rinse and drain. Cover by 2-3 inches of water and allow to soak overnight. Drain well and scoop into food processor. Add garlic, ginger, salt and pepper and puree until a coarse paste. Add peas and pulse 2-3 times to break apart slightly. Scoop mixture into a medium bowl and stir in chopped herbs, scallions and spinach.