Preheat oven to 350F. In large bowl, combine mix, egg, oil, liqueur, coffee. Mix by hand only until moistened. Stir in remaining ingredients and mix until just combined. Grease bottom only of pan. Spread brownies in 9 x 9 x 2 inch square pan and bake for 45 minutes. Cool completely, then cut into squares.
Cajun Country -- New Iberia, Louisiana