Combine the mayo, cheese, onion, worcestshire sauce, salt and pepper in a bowl. Mix well.
Spread the mayo mixture onto 36 mini toasts.
Set the toasts on a baking sheet under the broiler for 2 - 5 minutes or until the cheese is golden browned and bubbly.
Notes
If you can't find mini toasts you can toast regular white bread with the crust removed and then cut it into four pieces.You could also use crackers, rye or caraway rounds, or thinly cut toasted baguette rounds for this recipe.
Nutritional information is provided as a courtesy and is an estimate only. This information comes from online calculators. Although attempts have been made to provide accurate nutritional information, these figures are only estimates.