1 C. butter
4 squares unsweetened baking chocolate
2 C. sugar
½ tsp. peppermint extract
1 1/3 C. flour
¼ tsp. salt
1 C. mint flavored chocolate chips
1 C. semi-sweet chocolate chips
1 square white chocolate baking chocolate
1 tsp. vegetable oil
Preheat oven to 350 degrees. Lightly grease 13 x 9 “ baking pan.
In 3 qt. saucepan combine butter and chocolate. Melt over medium heat. Stir constantly. Remove from heat. Cool slightly. Stir in sugar and peppermint extract. Add eggs one at a time beating after each addition. Add flour and salt. Stir until well blended. Spread mixture evenly. Bake 25 - 35 minutes.
Immediately sprinkle with chips. Bake for an additional minute. Immediately spread chips evenly over brownies.
In 1 qt. saucepan, melt white chocolate and vegetable oil. Melt over low heat; stirring constantly. Drizzle in parallel crosswise lines 1 “ apart. Immediately draw knife lengthwise through lines. Let dry completely before cutting.