Fillet of pollack cooked in two stages (Slideshow version)
Stage 1/11 : 30 min.
Prepare 4 onions and slice thinly (use a mandolin if you have one to make this easier).Melt 2 tablespoons butter in a pan over low heat then add the onions, stir well and cook stirring occasionally for about 30 minutes until nicely golden brown. Salt and pepper when cooked.