Place Tofu, MimicCreme, Kosher Salt, Garlic Powder and Rice Vinegar in a blender or food processor, and blend on high until it's a completely liquid consistency. Place the mixture in a small sauce pan, stir in the Agar Powder, and allow to sit for 5 minutes.
Bring the contents of the sauce pan to a boil over medium heat, stirring occasionally. whatever you do don't let it boil over.
Then remove from heat and pour immediately into a baking dish. Smooth over the mix as if you were making a batch of brownies, then place into the refrigerator for a few hours until completely set.
Use as you would any of your favorite vegan cheeses. It shreds,and slices.