Da Tang Xiao Chi Huo (2021)

A quirky FL from the present day ends up in the body of a different girl in the past and has to live her life (dealing with a fiancée, etc.). Both have a fluffy, fun feel with a few serious moments.

Modern day FL ends up in historical world.
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Both are mini dramas in which a modern day FL whose career revolves around food, travels to the past. Both center around cooking with delicious shots of food, and a dash of sweet romance.

Both are mini dramas centered around food.
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Both are mini dramas with a modern day FL who is magically transported to historical times into another girl's body.

Both mini dramas have a modern day FL who finds herself in the past where she becomes involved with the ML.

Both are shorter-length historically set dramas with an upbeat FL who is very skilled in cooking and wins the grumpier/more stoic ML's heart.

Both are mini dramas with a modern day FL who transmigrates into a historical girl's body. Both FLs were foodies and in the midst of a contest at the time of the transmigration.

Both are short, fluffy romances in which the FL loves cooking.
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Both are mini dramas in which a modern day FL transmigrates into the body of a historical girl. Both focus on body positivity and the FL opening a business around it (clothing store vs. restaurant).

Both are dramas centering around food. Both FLs are chefs.
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Both are historical dramas with a chef FL and delicious-looking food.
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Both are short mostly fluffy romance dramas in which a girl takes over the body of another girl and falls for the original girl's fiancée.