In the sentence provided, the correct homophones are:
- Where/flour/bread
Here's why:
1. "Where" refers to a location or place. In the sentence, it makes sense to ask where you keep the flour.
2. "Flour" is a common baking ingredient, which fits with the context of wanting to bake bread.
3. "Bread" is the correct word for the type of food being mentioned in the sentence.