Healthy Energy Bars

In a food processor process cashews and oats 30 seconds or until chopped. Add dates, maple syrup, espresso powder, and salt; process 30 seconds or until mixture resembles cookie dough. Add walnuts and chocolate; process 20 seconds or until combined.

Line an 8-inch square baking pan with parchment, extending over two sides of pan. Place oat mixture in pan; top with another piece of parchment. Press evenly into pan. Remove parchment from top of bars. Cover with plastic; freeze 4 hours. Using parchment, lift out of pan. Cut into 2-inch bars.