Rainbow Blondies

1 cup butter or margarine
1 1/2 cups firmly packed light brown sugar
1 large egg
1 teaspoon vanilla extract
2 cups all-purpose flour
1/2 teaspoon baking soda
1 (12 ounce) package M&M?s? Semi-Sweet
    Chocolate Mini Baking Bits
1 cup chopped walnuts or pecans

Preheat oven to 350 degrees F (325 degrees F if using a glass pan).

Cream butter and sugar until light and fluffy. Add egg and vanilla extract.

Combine flour and baking soda. Add to creamed mixture just until combined. Dough will be stiff. Stir in baking bits and nuts. Spread dough into a greased 13 x 9-inch baking pan. Bake for 30 to 35 minutes or until a wooden pick inserted in center comes out slightly moist with crumbs.

Cool completely before cutting. Store in a tightly-covered container.

Makes 32 bars.