In a ceramic tart or pie pan, combine almond flour, Swerve Sweetener, oat flour and melted butter. Stir to combine and then press into bottom and up sides of pan.
Bake 16 minutes. Remove and let cool.
In a large bowl, mix yogurt, Swerve, lime juice, lime zest, tequila, Triple Sec, and stevia extract. Stir to combine. Sprinkle with xanthan gum and whisk vigorously.
Pour filling into cooled tart crust and press plastic wrap flush to the surface. Freeze until firm but not rock hard (at least 4 hours). Serve immediately.
Leftovers will freeze very firm. Place in refrigerator for 30 minutes or so to soften.
Notes
Serves 12. Each serving has 8 g of carbs and 1.8 g of fiber. Total NET CARBS = 6.2 g.