Miscellaneous with eggs

1 head cabbage , center core removed 2 -3 tablespoons butter 1 cup chopped onion 1 lb ground beef 1 lb ground pork 1 lb ground veal 2 cups cooked white rice 1[...]

4 c. Sliced yellow onions , (1 1/2 lb.) 4 Tbsp. Extra virgin olive oil , up to 6     Chilled pie crust dough , made from 2 lb. (7 c.) flour (see recipes[...]