Lentil Pistachio Patties

This recipe is adapted from one listed on Veg Family. It is a pretty big hit at our house with the kids. Elliott even likes to eat them on their own. Since they are so popular, we've yet to get a picture of them. Here is the recipe:

Lentil Pistachio Patties
1/2 cup shelled natural pistachios
1 medium carrot or 1/2  cup baby carrots
1 medium onion
2 cloves garlic
2-1/4 cups cooked green lentils (about 1 cup dry)
2 small ripe avocados
1/4 cup ground flax seeds
2 tablespoons extra virgin olive oil
1 tablespoon tamari soy sauce
1/2 - 1 cup of flour
1/3 cup whole rolled oats (not instant)

In food processor, process pistachios until finely chopped. Add the carrot, onion, garlic, and cooked lentils, and mix until you have a fairly smooth puree. Add the remaining ingredients and process to combine well. Add flour until mixture thickens where it sticks to a spoon without falling off on its own (1/2 cup to 1 cup flour).
Meanwhile, heat a nonstick frying pan over medium heat. Scoop about 1/2 cup of the mixture per patty into the pan and flatten slightly. Cook on each side until deep golden brown. Gently remove to a platter or place in hamburger buns with desired toppings. Makes about a dozen patties.