It's a really great entry for such a small team.
Scope creep is something a lot of jammers face. You have to learn to manage your resources and build the game around what you can realistically do in the given time and with the people you have.
It might be good to also think about what the players will experience. For me the platforming element is the major part of the game and it's the first thing you play, so it might need to have a higher priority than the cooking element. The cooking is kind of like a cool little reward after the level (which I couldn't really figure out sadly). You could join bigger teams to see how they manage their projects so you can do that in your own team later.
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The cooking is supposed to be a "emergent element", something you figure out from gameplay. Namely by killing enemies, you get ingredients from them. What if you used only ingredients that drop from an enemy in your cooking? Also this guy looks leafy, vegetably, but has a iceberg lettuce for a stomach, maybe I should use vegetable/fruit ingredients to try and unlock his trophy. More enemies in the game would probably help with that.