I had this exact meal in a box this week. Patty wasnt frozen but definetly undersized for the bun. Still tasted good.

Its a goodfood meal. They advertised it as a colab with a local Michelin star chef.

Basically all ingredients come to you in a bag with a direction sheet. The burgers were sent premade, they were definitely small but the beef tasted pretty good. It also had some shreaded lettuce, pickled red onions and mayo with minced pickles and mustard on the base. The buns are always really good quality and fresh.

Chances are OP follow the directions on the potatoes which I always ignore on the good food meals because they're usually always undercooked. Its usually like 20-25 minutes of roasting at 450c*

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I did mine extra thin, rinsed with water to get the starch out, tossed in oil and baked longer until crispy and then tossed with seasoning salt. Overall it was actually pretty good.

I made a different recipe a few days ago. But it's about 30-40 minutes of prep and then 6 hours in the slow cooker. I also do a ciabatta loaf brushed with garlic butter. It's so good

I've done it in the slower cooker. About 6 hours on low, including searing the beef before adding to the slow cooker. Always comes out awesome