Eggs with butter

4 eggs 2 ripe avocados 2 teaspoons lemon juice (or juice of 1 lime) 4 slices thick bread 1 cup cheese (grated, edam, gruyere or whatever you have on hand)[...]

3 tablespoons butter 2 1/2 cups mushrooms , sliced 1 (1 ounce) envelope hollandaise sauce mix, such as Knorr 3/4 cup milk 3 tablespoons sun-dried tomatoes ,[...]