Cut 200g of Toma™Muse® in half crossways and place into a large bowl with remaining Toma™Muse®. Add the baby cos, avocado, lentils, parsley, hazelnuts and pepitas. Toss gently to combine.
To make the mustard vinaigrette, whisk all ingredients in a bowl and season with salt and pepper. Spoon the dressing over the salad, toss gently. Serve.