I have been trying to replicate a bloomin' onion, but it seems that I can never keep the batter on the onion during the frying process. It doesn't completely fall off, but it is definitely not the same as what I see in restaurants.

I usually do a mixture of 2 eggs and a cup of milk for the wet and flour with spices for the dry. I dip in the wet first, then dry, wet again, then dry again. I fry it at 350, but when the time suggested (6 minutes) is up, I pull it out and it just seems to crumble off half the time.

Could it be that my oil is not the correct temperature? Am I leaving it in for the incorrect amount of time?

I am trying to follow the recipe found on food network's site.

Edit: As suggested by @Satanicpuppy I will try coating it in the flour mixture first, giving it a total of five dredgings. I will update this once I try it again if that is the solution.

  • 5
    My first thought was that the onion should have been shaken in some dry ingredients before the first dunk in the wet batter, and that's also what I see in the recipe. That could definitely be the culprit. Oct 29, 2013 at 20:48
  • Yeah, I hate that. Why does my batter keep falling off? Why doesn't it stick to the onion or the fish?!!! What is the secret to having a sticky batter??? Oct 30, 2013 at 3:01
  • @Satanicpuppy : I will try doing an extra dry step at the beginning. Thanks for the tip. Oct 30, 2013 at 23:23
  • 1
    Try using a tempura recipe, it holds better on vegetables than regular batter (which is usually formulated for meat)
    – rumtscho
    Oct 31, 2013 at 9:47

5 Answers 5


From Alton Brown's I'm Just Here for the Food (p. 99): "The number one reason breadings fail (fall off) is too much primer coat (flour). There is nothing to hold the layers together so they unzip from each other and your breading is floating free in the fryer..."

If you're going to use a three-stage breading process, which is what you've described, you need to make sure to shake off as much of the initial flour layer as possible. Dry flour doesn't stick to itself very well, so if a too-thick initial dredging creates clump-like layers of flour that aren't well moistened, in the relative violence of the fryer the dry interior of those clump-like layers will separate from each other and your breading will flake off.

For "bloomin' onions," the process I've seen wasn't a three-stage one like you describe. Rather, the onions were stored/soaked in milk (because soaking in a slightly acidic liquid mellows the onions -- water should be as effective, and soaking may not be necessary at all), and, as needed, pulled out, shaken free of excess liquid, and generously dredged in seasoned flour.


Most places use a wet batter for an onion:

Outback Steakhouse Bloomin Onion

4 Vidalia or Texas Sweet Onions

1/3 Cup Cornstarch

1 1/2 Cup Flour
2 tsp. Garlic −− minced 2 tsp. Paprika
1 tsp. Salt
1 tsp. Pepper
24 oz. Beer

Seasoned Flour:
2 Cup Flour

4 tsp. Paprika

2 tsp. Garlic powder 1/2 tsp. Pepper
1/4 tsp. Cayenne pepper

Mix cornstarch, flour, and seasonings until well blended. Add beer,
mix well. Cut about 3/4" off top of onion and peel. Cut into onion
12 to 16 vertical wedges, but do not cut through bottom root end. Remove about 1" of                petals from center of onion. Dip onion in seasoned flour and remove excess by shaking. Separate petals and dip in batter to coat thoroughly. Gently place in fryer basket and deep−fry at

375 to 400 1 1/2 minutes. Turn over, and fry an additional 1 1/2 minutes. Drain on paper towels.
Place onion upright in shallow bowl and remove center core with circular cutter or apple     corer. Serve hot with Creamy Chili Sauce.

Creamy Chili Sauce:
1 pint Mayonnaise

1 pint Sour cream

1/2 Cup Chili sauce
1/2 tsp. Cayenne pepper 

Try using Methylcellulose F50, it works very well to help a batter cling. You can see one way to do it using a pre-soak in this Fish & Chips Recipe - a 2% solution of F50 in water used as a dip before battering. I haven't tried it with onions, but I expect it would work well. Note that the methocel has to be well hydrated first.


Actually what I learned was after coating the onion with batter place the onion in the refrigerator for approximately 30 mins. Then take out and fry it. I tried it & it worked like a charm; the batter stuck very well


Fry the batter on a sausage to get the batter crispy, then slide the batter to the thing you want to put it on.

You can cook the onion in a pan before putting in the batter, after this, you can cook the thing as a whole for about 5-10 mins. If you fry the onion as a whole, it should keep together as a whole, if this is what you want.

  • Not sure how to understand this. Are you suggesting that the OP can fry the batter on some other stuff, then put the onion into the prepared batter shell? This has the problem of leaving the onion raw.
    – rumtscho
    Nov 5, 2013 at 11:31
  • Although I am still skeptical it will turn out good, I have no proof that it won't work, maybe you have more experience there :) for the record, you can edit you own posts (and suggest edits to others', will be accepted if you don't change their meaning). I all edited the info into this answer now and will delete the second one.
    – rumtscho
    Nov 5, 2013 at 17:56

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