Heat oil in large pot or dutch oven over medium high heat.
Season beef..working in 2 batches, brown meat on all sides..6 minutes..
Remove to plate
Add onion to pot & reduce heat to low. Cook stirring until softened 3 minutes.
Add garlic & cook stirring 1 minute
Pour in beer. Add broth, tomato paste, Worcestershire, sugar, paprika, 1/2 tsp kosher salt & pepper to taste
Return beef to pot. Simmer until neat is tender 1 1/2 to 2 hours
Stir in potatoes & carrots. Simmer until vegetables are tender & meat is very tender..30 to 40 minutes longer.
Remove 1 cup of liquid from pot & slowly whisk in flour.
Stir back into pot & bring t a gentle boil. Reduce heat & simmer until thickened.. 10 minutes.. Season to taste.
Sprinkle with parsley (if using)
Serve with bread if desired