Is Onion Tart (with Bacon) Acidic or Alkaline?
Onion tart (with bacon) (baked) is slightly acid-forming: Positive PRAL: acid-forming after digestion.
Classification
Onion tart with bacon comes in at +1.5 and is only slightly acid-forming: the many onions (−2.4) bring potassium, while yeast dough, eggs, schmand (a rich sour cream) and bacon push back with protein and phosphorus and narrowly win. A 200 g slice adds about +3. The formula doesn't count the 180 kcal per 100 g from dough and bacon. Without bacon, it would be closer to zero.
In the Meals & Fast Food category, onion tart (with bacon) (baked) ranks #49 of 118, sorted from alkaline to acid-forming. More alkaline options include Chili con carne (+1.3), Instant oatmeal (+1.2), Rice pudding (+1.2). More acid-forming are Pizza vegetarian (+1.6), Lasagna (bolognese) (+1.6), Frozen lasagna (+1.6).
Acidic or alkaline: PRAL, not pH
On this site, acidic and alkaline refer to the PRAL (potential renal acid load). It estimates what a food leaves behind once it has been digested: a positive value is acid-forming, a negative value is alkalizing. That is different from the pH of the food itself: a lemon tastes sour, yet its PRAL is −4.0, so it is alkalizing. Your diet does not change your blood pH. It does change how much acid your kidneys have to deal with.
What balances onion tart (with bacon)
A meal (300 g) of onion tart (with bacon) adds +4.4 to your daily balance. These three bring it back; the grams shown offset exactly this serving.
Frequently Asked Questions
Is onion tart (with bacon) acidic?
It depends on what you mean by acidic. The pH describes the food itself, for example how sour it tastes. The PRAL describes what it leaves behind after digestion: Onion tart (with bacon) (baked) has a PRAL of +1.5 per 100 g, so it counts as slightly acid-forming in your daily acid-base balance.
How much avocado offsets a meal (300 g) of onion tart (with bacon)?
A meal (300 g) of onion tart (with bacon) adds +4.4 to your daily balance. Avocado (ripe) has −9.9 per 100 g, so about 40 g of avocado offset this serving.
Do I have to avoid onion tart (with bacon) on an alkaline diet?
No. What counts is the balance of the whole day, not a single food. Onion tart (with bacon) is slightly acid-forming; with enough vegetables, potatoes and fruit on the same plate, the meal stays balanced.
Onion Tart (with Bacon) logged, balance checked.
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Compare all Meals & Fast Food: Meals & Fast Food table. Common questions are answered in Acidic or Alkaline?, and the PRAL calculator adds up a whole meal.
Source: Basentracker food database (PRAL according to Remer & Manz, calculated from protein, phosphorus, potassium, magnesium and calcium per 100 g). This information does not replace medical advice.