The key is toasting it low and slow in a cast iron pan.

It was heaven in my hands after a long day.

Meet the star of your dish, the reason we all came here: the G.O.A.T.una.

Photo of Chrissy Tiegen wearing a shiny black sleeveless top next to a photo of a well-browned tuna melt with cheese oozing out

Simply Recipes / Getty Images / Lauren Bair

room temp) butter.

Tiegen’s recipe is designed for a big ol' country loaf the size of Mr. Clean’s forearm.

Generously butter the bottom of your bottom bread slice and the top of your top bread slice.

A well-toasted tuna melt cut in half, showing cheddar cheese oozing out the sides

Simply Recipes / Lauren Bair

(Repeat for sando #2.)

Listen for the tiniest, dollhouse-sized sizzle in the pan.

The heat should be low; It’s called a tuna melt, not a flaming tuna Alaska.

Tuna melt components arranged on a piece of parchment paper: the tuna salad, tomato slices, cheddar slices, and bread

Simply Recipes / Lauren Bair

I got the crunchiest results using a cast iron pan.

Lean into the messiness of this sandwichbut like a hot mess, not a scary mess.

Crusty cheesy bits = good.

Falling apart = bad.

Off the heat, let your tuna melt rest for a few minutes.

Relaxed cheese makes the sandwich easier to cut and more likely to hold itself together.