Spread a generous amount of cottage cheese evenly over each slice of the toasted bread.
For the Cottage Cheese Toast with Tomato: Spread the chopped onion and diced tomato evenly over the cottage cheese. Drizzle a little olive oil over the cottage cheese layer. Sprinkle it with salt, black pepper, and oregano to taste.
For the Cottage Cheese Toast with Lox: Place lox on top of the cottage cheese. Place the thinly sliced onion on the lox. Garnish with dill, and season with salt and pepper to taste.