Easy Pudding Fudge

Found this in a recipe flier from Jell-O but I've never tried it. You need to use the Cook and Serve variety, NOT instant.

• Ready In: 20 mins
• Yields: 24 pieces

Ingredients

• 1 (5 ounce) package Jell-O chocolate pudding and pie filling (or fudge flavor)
• 1⁄3 cup milk
• 3  tablespoons margarine or 3  tablespoons butter
• 3  cups powdered sugar, sifted
• 1⁄3 cup  nuts, chopped

Directions

1. In medium saucepan stir pudding mix and milk.
2. Add margarine and bring just to boil over low heat stirring constantly.
3. Remove from heat: quickly stir in sugar blending well.
4. Add nuts and pour into greased 9 x 5-inch loaf pan.
5. Chill 30 minutes then cut into pieces.