Ingredients:

  Amount  Measure       Ingredient -- Preparation Method
--------  ------------  --------------------------------
   1      12 ounce can  beer
   1      6 ounce can   tomato paste
     1/4  cup           Wondra flour
     1/4  teaspoon      salt
     1/4  teaspoon      freshly ground pepper
   4      cloves        garlic -- minced
   1      medium        onion -- thinly sliced
     1/2  pound         fresh white mushrooms -- sliced
   3                    carrots -- peeled and sliced
   1 1/4  pounds        red potatoes -- scrubbed/in 1" cubes
   2 1/2  pounds        beef shank -- trimmed of fat
   1      can           beer
   1      tablespoon    grated lemon zest
   2      tablespoons   lemon juice

Preparation:

In a 3 1/2 quart electric slow cooker, mix together the beer and tomato paste. Whisk in the flour, salt, pepper and garlic until well-blended. Stir in the onion, mushrooms, carrots and potatoes. Add the beef shanks and push down into the vegetable mixture. Cover and cook on Low heat setting for 8 1/2-9 hours or until the beef and potatoes are tender. Stir in the lemon zest and lemon juice just before serving.