Add Cinnamon Tequila (to taste), Agave Syrup (1 ounce), Cointreau (1 fluid ounce), and juice of Lime (1) to a tumbler, throw in a few Ice (to taste), and shake for 10 seconds.
Use a lime wedge to coat the edge of your glass, and dip in Cinnamon Sugar (2 tablespoon). Pour margarita over ice. Add Ground Cinnamon (1 dash).
Garnish with Mini Churros (to taste).