Nutrition working

Grilled Mushrooms and Melted Cheddar on Wholegrain Toast: where the numbers come from

Each ingredient is matched to a record in the Australian food-composition data, that record's per-100 g values are scaled to the weight the recipe uses, the results are added, and the total is divided by 2 servings. This page shows all of it, so the estimate can be checked rather than taken on trust.

Back to the recipe · How this method works in general

Per ingredient

IngredientWeightComposition recordEnergy (kJ)Energy (kcal)Protein (g)Carbohydrate (g)Fibre (g)Fat (g)Sodium (mg)Calcium (mg)Potassium (mg)
Mushrooms350 gF005946 — Mushroom, common, raw399 (114/100 g)95.4 (27.2/100 g)7.7 (2.2/100 g)2.8 (0.8/100 g)4.9 (1.4/100 g)2.8 (0.8/100 g)24.5 (7/100 g)7 (2/100 g)1347.5 (385/100 g)
Olive Oil23 gF006177 — Oil, olive849.9 (3695/100 g)203.1 (883.1/100 g)0 (0/100 g)0 (0/100 g)0 (0/100 g)23 (99.9/100 g)0 (0/100 g)0 (0/100 g)0 (0/100 g)
Unsalted Butter20 gF001971 — Butter, plain, no added salt613.8 (3069/100 g)146.7 (733.5/100 g)0.2 (1.1/100 g)0.1 (0.6/100 g)0 (0/100 g)16.4 (82.2/100 g)2 (10/100 g)3.4 (17/100 g)4.6 (23/100 g)
Garlic5 gF004193 — Garlic, peeled, raw26.1 (522/100 g)6.2 (124.8/100 g)0.3 (6.1/100 g)0.5 (10.2/100 g)0.8 (16.9/100 g)0.1 (2.8/100 g)0.4 (8/100 g)1.5 (30/100 g)25.5 (510/100 g)
Dried Thyme1 gF009160 — Thyme, dried11.8 (1182/100 g)2.8 (282.5/100 g)0.1 (9.1/100 g)0.3 (26.9/100 g)0.4 (37/100 g)0.1 (7.4/100 g)0.6 (55/100 g)18.9 (1890/100 g)8.1 (814/100 g)
Walnuts20 gF006116 — Nut, walnut, raw/natural, unsalted580.8 (2904/100 g)138.8 (694.1/100 g)2.9 (14.4/100 g)0.6 (3/100 g)1.3 (6.4/100 g)13.8 (69.2/100 g)0.6 (3/100 g)17.8 (89/100 g)88 (440/100 g)
Wholegrain Bread120 gF001553 — Bread, wholemeal, commercial1191.6 (993/100 g)284.8 (237.3/100 g)12.5 (10.4/100 g)47 (39.2/100 g)8.3 (6.9/100 g)3 (2.5/100 g)501.6 (418/100 g)159.6 (133/100 g)254.4 (212/100 g)
Cheddar35 gF002414 — Cheese, cheddar, natural, plain590.1 (1686/100 g)141 (403/100 g)8.6 (24.6/100 g)0.1 (0.3/100 g)0 (0/100 g)11.7 (33.4/100 g)240.1 (686/100 g)266 (760/100 g)25.6 (73/100 g)
Flat Leaf Parsley6 gF006321 — Parsley, fresh, raw9 (150/100 g)2.2 (35.9/100 g)0.2 (3.9/100 g)0.1 (1.1/100 g)0.3 (5/100 g)0 (0.7/100 g)9 (150/100 g)7.2 (120/100 g)39.6 (660/100 g)
Whole recipe4272.1102132.551.51671778.8481.41793.3
Per serving (÷ 2)2136510.516.325.8835.5389.4240.7896.6

Oxalate

35 mg per serving (69 mg for the whole recipe, divided by 2). This comes from the Oxalosis and Hyperoxaluria Foundation list rather than the Australian composition data above, which does not carry oxalate.

IngredientWeightBasismg per 100 gContributes (mg)
Wholegrain Bread120 gas weighed3542
Walnuts20 gas weighed6212
Flat Leaf Parsley6 gas weighed1107
Mushrooms350 gas weighed14
Dried Thyme1 gas weighed1822
Olive Oil23 gas weighed51
Cheddar35 gas weighed21
Garlic5 gas weighed90
Unsalted Butter20 gas weighed20
Per serving (÷ 2)35
Mushrooms
The OHF gives no raw mushroom row; the cooked figure is used.

Oxalate in a plant moves with variety, ripeness, soil and cooking, and what you absorb depends on the calcium eaten in the same meal rather than on the figure alone. The full table and what it is worth.

Not counted

These lines contribute nothing to the figures above, because they carry no weight or no composition match. Finishing salt and pepper added to taste are deliberately excluded: the amount is the cook's, so counting it would be inventing a number.

  • Ground black pepper, to taste

Why these records

Where a generic database item cannot represent an ingredient exactly, the choice is recorded with the ingredient rather than left to inference.

Mushrooms
Weighed raw before being cooked down; ledger key carried over verbatim from the published book.
Olive Oil
Measured from the bottle, plain or extra-virgin; AUSNUT has a single olive oil record and the ledger key is carried over verbatim.
Unsalted Butter
Ingredient name specifies unsalted, so the plain no-added-salt butter record is used rather than the salted or not-further-defined records.
Garlic
Weighed or counted as raw peeled cloves before cooking; ledger key carried over verbatim from the published book.
Dried Thyme
Weighed or measured dry from the jar; ledger key carried over verbatim from the published book.
Walnuts
Weighed raw and unsalted, chopped or whole; ledger key carried over verbatim from the published book.
Wholegrain Bread
Weighed as bought to serve alongside; ledger key carried over verbatim from the published book.
Cheddar
Ingredient name does not specify reduced fat, so the regular-fat natural cheddar record is taken per the house rule; one recipe line does say reduced-fat, and the regular-fat record is the more conservative choice on energy and saturated fat.
Flat Leaf Parsley
Weighed raw as fresh leaves for finishing; ledger key carried over verbatim from the published book.

What this is and is not

These figures match the ones shown on the recipe page exactly, because both come from this same arithmetic.

A composition database gives representative values for a food, not an analysis of your tin, your loaf or your cut of meat. Brands differ, produce varies, and yields change with how long something cooked and how hard it was drained. Treat every figure here as an estimate of the right order rather than a measurement, and where a number matters clinically, take it to whoever is managing your care. CERNERE publishes the working so it can be argued with, not to imply a precision food does not have.