Preheat oven to 350F.
Utensils: plastic measuring cup for dry ingredients; glass cup for liquids.
In large bowl blend at low speed for 30 seconds: cake mix, eggs, banana with soda, zucchini, and oil. Beat at medium speed for two minutes or 300 strokes by hand. Pour into greased/floured bundt pan. Bake 50-60 minutes. Cool 10 minutes and remove from pan. Cool until barely warm and glaze. To make glaze, blend all glaze ingredients with a fork until smooth.
Level off dry ingredients and prepare cake 24 hours before serving.
Cajun Country -- New Iberia, Louisiana