The BEST Burger or Casserole Topper!


Super thin crispy fried onions are fabulous but try using them to top a casserole and you’ll have everyone asking for more. Light and crispy and easy to make, the secret ingredient is buttermilk.



Crispy fried onions are so easy to make and great to have on hand to add to your favorite dishes.

– B&B

Why you'll  ❤️ Crispy Fried Onions

Make extra, there's never enough!

Somehow they aren’t greasy even though they’re fried.

So many foods they level up flavor on.

–Large onions –Buttermilk –Flour –Oil –Salt


Cut onion in half and with a mandolin, slice into very thin slices.

Step 1

Place in a bowl and pour buttermilk over the top. Let them sit in the buttermilk for 15 minutes.

Step 2

Toss onions with flour and shake off excess.

Step 3

Bring oil to 300º over medium heat in a heavy skillet. Add onions and cook until golden brown. Turn and brown the other side. Remove to a paper towel lined plate and immediately salt.

Step 3

Unless your knife skills are excellent, a mandolin will help you achieve the uniform size and thinness of onions you want for this recipe.

Recipe Tip

Toss in a tablespoon of cajun seasoning to the flour before dredging the onions in for extra kick.


A cast iron works great for frying if you don’t have a dedicated fryer.