Bring the water, pecans, maple syrup, brown sugar, vanilla, lemon juice, and a pinch of salt to a boil.

Reduce heat and simmer, reducing to 3/4 cup, about 40 minutes.

Strain and cool completely.

On a small plate combine salt and brown sugar

Lightly dip glasses into pecan pie syrup to moisten rim of 4- (6ounce) glasses.

Roll glasses in salt/brown sugar mixture to create your rim.

Place glasses into freezer to chill.

In a large pitcher add pecan pie syrup, cointreau and tequila.

Remove glasses from freezer and serve margarita mixture over ice.

Garnish with the pecans and pie crust