In a small bowl combine the ricotta cheese with the basil, fresh oregano and thyme. Set aside.
In another small bowl whisk together the olive oil, balsamic vinegar, salt and pepper.
Arrange the tomato slices, cucumber, radishes and onion on a large platter then drizzle with the dressing. Season with salt and pepper if needed, then top with serrano peppers and dollop ricotta mixture evenly over the tomato slices.
Garnish with fresh basil and oregano.
Serve immediately.
