Sauerkraut Soup
["1 lb. smoked sausage (kielbasa)", "6 Tbsp. chopped onion", "1/4 c. all-purpose flour", "1/2 tsp. dried thyme, rounded", "1/2 tsp. black pepper", "3 c. milk", "1 c. half and half", "1 (8 oz.) can sauerkraut (with juice)", "1 1/2 Tbsp. lemon juice (optional)", "2 Tbsp. finely chopped fresh parsley"]
["Chop the sausage coarsely", "by hand or a food processor. Transfer the sausage and onion to a deep pan and saute over medium heat until the sausage is lightly browned, about 8 minutes."]
["sausage", "onion", "all-purpose", "thyme", "black pepper", "milk", "sauerkraut", "lemon juice", "parsley"]