In a small mixing bowl, combine cream cheese with Greek yogurt. Blend until smooth and creamy, then add chives, dill, and ground pepper. Mix well.

Preheat your toaster to a medium setting. Toast slices of bread for about 3-4 minutes until lightly golden.

Rinse tomatoes under cold water, pat dry, and slice into even rounds, approximately ¼-inch thick.

Spread the herby mixture on one slice of toasted bread, layer the tomatoes on top, and place the other slice spread-side down.

Consider garnishing with fresh herbs or a dash of flaky sea salt on top of the tomato slices.

Cut the sandwich in half diagonally and serve immediately with a light cucumber salad or baby carrots.