Red and Green sausage lentil kale soup

Rachel Carlson gave me this recipe from Real Simple magazine

Make it for New Years or Christmas!

1 lb. browned italian sausage or ground beef
1 c. chopped onion
2 garlic cloves
8 c. chicken stock
2 c. red lentils (or 1 cup each green/red lentils)
2 large cans diced tomatoes
1 t. salt
1/2 t. black pepper
5 c. baby kale or baby spinach

Can be made in crock pot!