Guacamole with lemon

1 ripe Avocado , peeled and pitted 3 tablespoons Greek yogurt (or plain yogurt drained) 1 teaspoon fresh lemon juice , to taste 2 tablespoons extra virgin[...]

6 slices russian rye bread softened butter 3 cups finely shredded Lettuce 3 Tomatoes , thinly sliced 1 cup creamy thick bleu cheese salad dressing 12 slices[...]