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The focus of this idea is on the food. We can filter ; details appear in an overlay when the food items by selecting the ..are clicked on, and dietary restrictions are moved off to the side.
Pros: Devotes large amounts of space to the primary 'target' of the UI, the food itself
Cons: Might be difficult to select restrictions, both due to limited screen estate and difficulty of finding them 
Dual Display:
Keep both the information of food items and ingredients on the same screen.
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Cons: Screen space might be cluttered 
Shopping Kart:
Rather than having to keep entering one's restriction, the user's preference/restrictions is remembered so it does not need to be entered again.
Show this design
The flow here is designed to be similar to a shopping cart, with entering of dietary restrictions and preferences kept separate from food selection. We also provide here a 'summary' view at the end so that users can view all the food that they have chosen and see the total prices.
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Cons: 