HEAT 1 Tbsp. of the oil in large heavy saucepan or Dutch oven on medium-high heat. Coat meat with flour. Add in batches to saucepan; cook until evenly browned, stirring occasionally and adding remaining 1 Tbsp. oil as needed. Remove meat from saucepan; set aside. Add onions to saucepan; cook and stir 2 min.
STIR beer, broth and dressing mix into onions in saucepan. Return meat to pan. Bring to boil, stirring occasionally. Reduce heat to low; cover. Simmer 30 min.
ADD potatoes, carrots and parsnips; stir. Cover. Simmer 30 min. Uncover; simmer 15 min. or until meat is cooked through, vegetables are tender and sauce is thickened, stirring occasionally.