To start, finely mince the green onions. Make sure the butter is at room temperature. Add the mustard powder, poppy seeds and salt (if you are using salted butter omit the salt). Then add the green onions and mix everything to combine. Set aside.
- 1/2 cup green onions
- 1/2 pound unsalted butter, room temperature
- 1 tbsp mustard powder
- 1 tbsp poppy seeds
- 1/4 tsp kosher salt




