Method
1. Pre-heat oven - 170°C / 340°F
2. Prepare a clean jumbo muffin pan
3. Add salted butter and granulated sugar to a clean large mixing bowl
4. Cream until light and fluffy
5. Add egg one by one while mixing
6. Add polenta, ground almonds and gluten-free baking powder
7. Add orange zest from 2 oranges
8. Mix gently until combined
9. Add orange slice to the each cup of jumbo muffin pan
10. Transfer batter to jumbo muffin pan
11. Bake until skewer tests clean - 25 min, 170°C / 340°F
12. Let cool - 5 min
13. Turn out onto cooling rack
14. Drizzle with honey
15. Garnish with pistachios