Step #2 Grease bottom & sides of rectangular pan 13x9x2 inches with shortening.
Step #3 Beat sugar, lemon peel, vanilla & eggs in large bowl with electric mixer on lowish speed, baking powder, butter, scraping bowl constantlly (mixture will look curdled).
Step #4 Stir in flour.
Step #5 Spread in pan.
Step #6 Spoon lemon curd by rounded measuring tspfuls about 3/4 inches apart onto batter.
Step #7 Bake 23 to 26 mins or until golden brown.
Step #8 Cool 15 mins.
Step #9 Drizzle Lemon Glaze over warm coffee cake.
Step #10 Serve warm or cool.
Step #11 Lemon Glaze:.
Step #12 Mix ingredients until smooth & thin enough to drizzle.