From great-chicago-italian-recipes.com:

1 pound of linguini
2 cans of crab meat or 16oz. of imitation crab meat
2 oz of pancetta or 4 strips of bacon chopped
2 Tbls of butter
1 bunch of long green onions, chopped
1 shallot, chopped
3 cloves of garlic, chopped
6 baby portabella mushrooms, sliced
1/2 cup of FRESH peas (sub out peas for another mild veg if fresh not an option)
1/2 cup of white wine
!/2 cup of chicken broth
1 cup of heavy whipping cream
1/2 tsp of salt
1/2 tsp of fresh ground black pepper
1 cup of fresh grated Parmesan cheese
1 egg
1/4 cup of fresh chopped parsley

In a large pot bring 6 quarts of salted water to a rapid boil.
In a medium size skillet sauté the pancetta or bacon for 2 minutes.
Drain on a paper towel and set aside.
In a larger skillet, sauté the onions, shallots and garlic for 2 minutes.
Add the mushrooms and peas and sauté a few more minutes.
Return the bacon back to the pan.
Add the crab meat and heat through
Pour in the white wine and the broth.
Turn up the heat and reduce till around half.
Stir in the whipping cream and heat until slightly bubbly.
Season with salt and pepper to taste.
Turn off the heat and stir in the parmesan cheese.
Cook the linguini in the boiling water until al dente.
Drain the linguini and toss into the carbonara mixture.
Beat the egg with a fork and pour on top of the linguini.
Stir the egg in until well blended.

http://www.great-chicago-italian-recipes.com/crab_carbonara.html