Opera Creams - cooking recipe

Ingredients

3 1/2 lb. granulated sugar
1 qt. whipping cream
1/8 tsp. heaping cream of tartar
1 1/2 tsp. vanilla
1 1/2 c. chopped walnuts

Preparation

Place in large kettle.
Stir frequently to 258\u00b0.
Pour on cold marble slab.
Do not scrape kettle.
Cool completely.
Add vanilla and walnuts.