Pre-heat the Oven to 350 degrees Fahrenheit.Completely line a 9x9 square Pan with Aluminum Foil and spray the aluminum Foil with Spray Oil Like Pam.
Graham cracker crust:
Melt the butter in a bowl in the microwave for 45 seconds. Add the graham cracker crumbs into the butter and mix until completely combined. Pour into the foil-lined pan and gently press into the bottom.
Then beat together cream cheese and sugar until well blended and fluffy. Then add the lime juice and zest, tequila, Cointreau, and heavy cream. Mix well until completely combined. Beat the eggs one at a time.
Pour cream cheese over the graham cracker crust and use a spatula to spread to the edges of the pan. Bake for 20 to 25 minutes. It will be done when the center sets up it has a little jiggle. Allow to cool completely and then refrigerate for at least 3 hours or overnight. Decorate with lime slices and or zest. Cut into small squares and serve. Will serve at least 8 to 10 people