In Ina’s words, it “takes five minutes to make and 10 minutes to bake.”

And yet, it seemed to be tilapia Tuesday at my grocery store.

I was so confident about my new world-class weeknight glow-up, I immediately shared it with a (French!

A split image of Ina Garten and a plate with a white fish covered in a mustard sauce

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friend who was looking to zhuzh up her usual family dinner routine.

Let’s keep this 15-minute tradition alive.

Spoon all of the sauce over the fish, coating every last bit.

Overhead shot of a plate with Ina Garten’s mustard roasted fish recipe

Simply Recipes / Lauren Bair

Place the dish in the hot oven, and set a timer for 10 minutes.

My Tips for Making Ina Garten’s Mustard-Roasted Fish

Don’t stress about the dueling mustards!

And while the shallot adds mellow onion flavor, you won’t miss it if you ditch it.

I also useda meat thermometerto confirm my fish reached 145F.