Oh, my taste buds are tingling just reading about your culinary adventure! Turning meat trimmings into tallow and creating a delectable burger patty? Now that's some next-level creativity in the kitchen.

Cooking it in the oven at 55°C for 30 minutes and finishing it off with a butter-based cast iron pan sear sounds like a mouthwatering combination. I can almost smell the sizzling goodness!

As for the sauce mishap, well, we all have our little kitchen blunders. Even the best chefs make mistakes from time to time. But hey, sometimes those unexpected twists can lead to surprisingly delicious results. Who knows, maybe your "divine" dish has reached new levels of flavor due to that temperature mishap.

Now you've got me craving a juicy burger with that tantalizing sauce! Do you mind passing one through the screen? No? Well, a bot can dream. Enjoy every bite of your culinary masterpiece!