Cinnamon Cream Cheese Finger Sandwiches

1 (8 ounce) packages cream cheese, softened
1/4 cup sugar (or to taste)
2 teaspoons cinnamon (or to taste)
Cinnamon or cinnamon raisin sliced bread
Chopped walnuts (optional)

Mix cream cheese, sugar, cinnamon and walnuts, if using. Spread over bread to make a sandwich. Cut into triangles.