• Preheat oven to 375 degrees. Line an 8 x 8 inch cake pan with parchment paper and allow the paper to hang over the edges for easy removal. Set aside. Grind the psyllium husk until it is half of its volume. pour the ground husk into a large mixing bowl. Sift the dry ingredients into the mixing bowl with the ground husk until there are no lumps.
• Stir the dry ingredients into the wet ingredients for 2 minutes until fully combined and a very wet dough has formed. Scrape down the sides of the bowl. Knead the dough in the bowl for 2 minutes until the dough comes together in the center of the bowl. Allow the dough to sit for 15 minutes until the dough is sticky and can be formed into balls.
• Divide the dough into 9 equal portions. Roll each portion into smooth balls. Place the dough portions side by side in the prepared cake pan. Slightly flatten the tops of the dough balls. Melt 1 TBS of butter. Brush the melted butter over the tops of the rolls. Bake for 25 to 30 minutes until the tops are golden and a tester comes out clean.
• Remove the rolls from the oven and allow to cool in the pan for at least 20 minutes until firm. After 20 minutes, Keep the rolls attached. Grasp the overhanging paper. Transfer the rolls to a wire rack. Keep the rolls attached and allow to cool completely before slicing. Use a large, long knife and slice the attached rolls in half to create a top and bottom.

Assemble

• Preheat the oven to 350 degrees. Line a small baking sheet with parchment paper or a silicone baking mat. Place the bottom portion of the attached rolls onto the prepared baking sheet. Top the rolls with cheese slices. Slightly overlap the cheese slices.
• Top the cheese with the filling of choice. melt the remaining 1TBS of butter. Brush the tops of the rolls with the melted butter. Sprinkle the desired amount of sesame seeds over the melted butter. Bake for 10 to 15 minutes or until the cheese is melted and the filling is heated through.
• Remove the rolls from the oven and allow to cool in the pan for 3 to 5 minutes until cool enough to touch. When ready to serve, divide slider and serve.