Ham, cheese and tomato omelette

Ingredients (1 serving): 2 eggs 1 smallish tomato 1 tablespoon milk 1 teaspoon butter 1 tablespoon parmesan, grated 1 tablespoon chives or parsley, finely chopped 1 tablespoon cheddar, grated 2 thin slices good ham (chicken or turkey)   Method: Cut the tomato in half, de-seed and finely dice. Lightly beat the eggs with milk, sea…