Kahlua Cheesecake Bars

Ingredients

• 1/4 cup pecans
• 1 1/2 cup chocolate crumbs
• 2 tablespoons sugar
• 1/2 cup melted butter
• 2 (8 oz) packages cream cheese
• 3/4 cup sugar
• 1 tablespoon flour
• 2 whole eggs
• 3 tablespoons Kahlua
• 1 1/2 teaspoons instant coffee
• 1 teaspoon vanilla