Preheat the oven at 350 degrees F.To make the crust, add the granola, butter (or coconut oil), salt, and honey to a food processor. Pulse the granola until the crumbs are the size of very small grains and begin to clump together.Pour the processed granola mixture into a non-stick 9 in tart pan. Press the granola mixture firmly down with a flat measuring cup and also up the sides.Bake the tart shell for 15 to 20 minutes, until golden brown.Remove the shell from the oven and allow to cool completely or overnight.Fill the tart shell with yogurt.Top each tart off with fresh berries and granola. Keep chilled or serve immediately.