To make the dip add all the ingredients together and mix until well combined.
Pre heat the oven to 180C/ 350F.
Heat some olive oil in a large non - stick frying pan and roll out the burgers to your size preference. Fry in batches until brown on all sides. Transfer to a baking tray and finish off in the oven for 8 - 20 minutes depending on their size.
Serve warm or at room temperature with the sour cream dip.
make into burgers or mini sliders with sliced red onion and lettuce (optional)
Notes
Store leftover burgers in the fridge for up to 5 days. Freeze them if you want to store for longer.