What do you call a fake noodle?

An impasta.

I tried to make a joke about bread, but I kneaded to work on it.

I've been trying to come up with a pun about bread, but I'm all out of rye-deas.

So I was at the beach with my kids, and we saw a person building an enormous sandcastle with towers and a moat. The kids were fascinated by the details and started asking the builder about their design process. I asked the person how they managed to make their castle so sturdy, and they said

it was a grain of experience