Top 9 · Updated October 2026

Highest-Protein Opera Cakes

Opera cakes: typically 5.6 g of protein per 100 g (median of 11 products). The opera cakes with the most protein per 100 g. Useful if you are trying to increase your protein intake. We checked 10 opera cakes with complete data.

  1. 1 Petit trianon - Croquant au chocolat

    Petit trianon - Croquant au chocolat

    Picard · 275g
    e NOVA 4 480 kcal 24.8 g sugar 8.2 g protein 33.8 g fat

    Also: Palm oil free · Vegetarian

  2. 2 Opéra

    Opéra

    Picard · 220 g
    e NOVA 4 370 kcal 27 g sugar 6.6 g protein 24 g fat

    Also: Palm oil free

  3. 3 Opéra 1 part

    Opéra 1 part

    Picard · 75 g
    e NOVA 4 370 kcal 27 g sugar 6.6 g protein 24 g fat

    Also: Palm oil free

  4. 4 Opéra

    Opéra

    Deluxe · 325 g
    e NOVA 4 357 kcal 25.4 g sugar 5.6 g protein 23.8 g fat
  5. 5 Opéra café de Colombie

    Opéra café de Colombie

    Metro Chef · 700 g
    e NOVA 4 334 kcal 33.2 g sugar 5.2 g protein 17.9 g fat

    Also: Palm oil free

  6. 6 Opéra

    Opéra

    TARTEFRAIS · 180g (2x90g)
    e NOVA 4 441 kcal 34 g sugar 5.1 g protein 29 g fat
  7. 7 Opéra X 2 décongelé

    Opéra X 2 décongelé

    · 200 g
    e NOVA 4 391 kcal 33 g sugar 4.8 g protein 24 g fat
  8. 8 Opéra Biscuits imbibés au café mousse au café et ganache au chocolat

    Opéra Biscuits imbibés au café mousse au café et ganache au chocolat

    Carrefour · 325 g
    e NOVA 4 346 kcal 24 g sugar 4.7 g protein 23 g fat
  9. 9 2 Opéras

    2 Opéras

    Plaisir Pâtissier · 180 g
    d NOVA 4 328 kcal 42 g sugar 4.6 g protein 8.4 g fat

How we built this list

We ranked all published opera cakes on Foodmetria that have a photo and the required nutrition data, using values per 100 g from the product label. Ties are broken by Nutri-Score and by how often shoppers scan the product. Rankings update automatically as label data changes. Read our methodology.

More opera cakes rankings