Ingredients:

  Amount  Measure       Ingredient -- Preparation Method
--------  ------------  --------------------------------
     1/2           cup  unsalted butter -- at room temp
  1                     egg yolk
  1                cup  flour
  2        tablespoons  icing sugar
     1/4      teaspoon  salt
  3                     eggs
     1/2           cup  brown sugar
  2        tablespoons  flour
     1/4      teaspoon  salt
     2/3           cup  corn syrup
  1         tablespoon  vinegar
  1                cup  pecans
  1                cup  chocolate chips

Preparation:

1. Preheat oven to 350 degrees. Lightly grease an 8 inch square pan or coat with cooking sprya. 2. To make the base, stir butter with egg yolk in a mixing bowl. Then add 1 cup flour, icing sugar and 1/4 tsp of salt. Stir with fork until well blended. 3. Press into the bottom of prepared baking pan and bake int he centre of preheated oven until lightly golden about 15 minutes. 4. To make the topping beat 3 eggs in a large bowl until slightly foamy. Stir brown sugar with 2 Tbsp flour and 1/4 tsp slat. Stir into eggs until blended. Beat in corn syrup and vinegar. Add nuts and chocolate chips. 5. Spread mixture evenly over hot base. Bake in the centre of 350F oven until top is set and edges are browned, 35-40 minutes. Plan pan on a rach to cool. Cut into squares.

Nutritional Information:

270 Calories (kcal); 16g Total Fat; (49% calories from fat); 3g Protein; 33g Carbohydrate; 64mg Cholesterol; 98mg Sodium