Chocolate Chip Toffee Bars

2 1/3 c. rice flour
2/3 c. packed brown sugar
1/4 c. butter, softened
1 eggs, slightly beaten
2 c. chocolate chips, divided
1 can (14 oz) sweetened condensed milk
1 1/2 c. toffee bits

1. Heat oven to 350 degrees. Grease a 9x13 pan.
2. In a large bowl, stir together flour and brown sugar. Cut in butter until mixture resembes coarse crumbs. Add egg, mix well. Stir in 1 1/2 c. chocolate chips.
3. Reserve 1 1/2 c. mixture. Press remaining crumb mixture onto bottom of prepared pan. Bake 10 minutes.
4. Pour sweetened condensed milk evenly over hot crust. Top with 1 1/2 c. toffee bits. Sprinkle remaining crumb mixture and remaining 1/2 c. chips over top. Bake 25-30 minutes or until golden brown. Cool completely.

Original recipe (adapted to be GF) found at: http://smittenwithmykitchen.blogspot.com/2009/07/chocolate-chip-toffee-bars.html