Avocado Sandwiches on Sour Dough

2 avocados, thinly sliced and salted
1/4 cup of butter (1/2 stick), softened
1/2 teaspoon of oregano leaves
1/4 teaspoon of chervil
1/4 teaspoon of of parsley flakes
1/2 teaspoon of grated lemon peel
a dash of onion powder
8 slices of sour dough or Italian bread, cut diagonally

Prepare the avocado slices. Cream the butter with seasonings, Spread thinly over the bread. Top with avocado slices. Serve with white wine.