Tortellini with Beetroot Filling

Using a double quantity of ravioli paste, make these tortellini in whatever colour you like - black, red, green, brown or white - and freeze any remainder. Mix the colours, too, if preferred.

To vary the tortellini shape, you could cut out 6cm (2¼ in) squares instead of circles. Place 5ml (1 tsp) of filling in the middle of each square and brush the edges with egg white. Press diagonally opposite corners together over the filling, then press down the other facing corners in t