Preheat oven to 325.
Stir together the flour, baking powder and salt, set aside.
In the bowl of a stand mixer add the sugar and zest, beating until well combined.
Add the butter and mix on high until well combined and pale yellow, about 3 minutes.
Beat in the eggs one at a time.
Add the orange juice, beer, olive oil, and vanilla beat until combined (some curdling is expected after you add the beer).
Sprinkle the flour mixture over the wet ingredients and stir until just combined.
Grease and flour a 1.5 qt loaf pan.
Pour batter into prepared loaf pan.
Bake at 325 for 1 hour to 1 hour 15 minutes or until the top is golden brown and springs back when lightly touched.
Allow to cool completely before slicing.
To make the glaze, stir together all glaze ingredients in a bowl until well combined. Add additional beer or juice to thin, if desired.
Pour glaze over the cake before slicing. Refrigerate to set, if desired.