Place oat flour and medjool dates into food processor and pulse until well mixed and dates are broken down.
Add in 1/2 cup of walnuts, 1/2 cup of almonds, 1 teaspoon vanilla extract, and 1/2 teaspoon salt. Purse until it forms a ball.
Place into a 9x9 PAM Sprayed dish and press until flatten. Take the remaining 1/2 cup walnuts and finely chop. Then lightly press on to the walnut date mixture and refrigerate for an hour. Cut into 12 bars.