Cost information for the following is not included. Normally this is because the quantity or ingredient is unknown
2 tablespoonsflour (with salt and pepper added)
1 tablespoonbutter
1 smallonion, chopped
1 cupmushroom, thickly sliced
1 tablespoonfresh parsley, chopped (or use cilantro)
1 tablespoonDijon mustard
1 tablespoonlemon juice