Similar to other leafy greens like spinach, Lamb’s Quarters does contain oxalates.  When eaten in large quantities, oxalates may interfere with calcium absorption.  Cooking the plant destroys this compound.  So if you’re eating bushels of Lamb’s Quarters, you might want to cook it first.  

Lamb’s Quarters is extremely high in vitamins, especially vitamin K.  It also has large quantities of Calcium, Manganese, and vitamins A and C.  

Wild Pesto
Makes about 2 cups

Ingredients:

2 cups tender wild greens (Lamb’s Quarters, Nettles, Purslane, Chickweed, etc)

1 large head garlic

½ cup cheese

1/3 cup nuts (pine, walnut, sunflower, etc)

½ cup olive oil

1 tbs lemon juice

1 tsp salt

Peel and rough chop the garlic.  Saute it in a little olive oil.  Add the nuts to toast, and then add the greens and saute until tender.  Mix all ingredients in a food processor and blend until smooth.  Serve on pasta, crackers, toast, etc.