Raspberry Jam Brownies with Raspberry Jam Chocolate Frosting

1/2 cup (1 stick) butter
2 (1 ounce) squares unsweetened chocolate
1 cup granulated sugar
1 teaspoon vanilla extract
1/4 teaspoon salt
2 eggs
1 cup flour
1/4 cup raspberry jam
1/2 cup chopped walnuts

Frosting:
2 tablespoons butter
1 cup chocolate chips
1/4 cup raspberry jam

For Brownies: Place butter and chocolate in a microwaveable bowl. Microwave on HIGH until butter and chocolate are melted, one to two minutes. Stir until smooth. Beat in sugar, vanilla extract and salt. Beat in eggs, one at a time, beating well after each addition. Stir in flour. Stir in jam and walnuts. Pour into a greased pan and floured 8-inch square pan. Bake at 350 degrees F for 25 to 30 minutes. Remove from oven. Let stand in pan 10 minutes, then turn out onto a wire rack. While brownies are cooling, make the frosting.

For Frosting: Melt butter and chocolate chips together. Stir until smooth. Stir in raspberry jam and frost top of brownies. When cold, cut into one-inch squares.