Fannie Farmer's Chocolate Fudge

Ingredients

• 2 tablespoons butter
• 4 cups granulated sugar
• 2 teaspoons vanilla extract
• 1 1/2 cups light cream
• 4 squares chocolate
• 1/4 teaspoon cinnamon

Instructions

1. Melt butter in a pan; add sugar, cream and chocolate, stir gently until chocolate melts. Boil without stirring to 238 degrees F or until mixture forms a soft ball when dropped into cold water.
2. Remove from heat, let stand until cool and add flavoring.
3. Beat with a wooden spoon.
4. Pour 3/4 inch thick into a buttered pan and mark in squares.