Here is the recipe converted into the metric system:

Oranges: 2 boiled oranges

Chia eggs: 6 tablespoons chia seeds = 72 grams soaked in 18 tablespoons water = 270 milliliters

Baking powder: 1 teaspoon = 4 grams

Baking soda: 1/2 teaspoon = 2.5 grams

-Almond or hazelnut meal: 2 cups = 200 grams

Cacao or cocoa powder: 1/2 cup = 50 grams

Brown sugar or coconut sugar: 1 cup = 200 grams

-Cinnamon: 1/2 teaspoon = 1 gram

Full measurement (but you need half for this recipe:
Full-fat canned coconut milk : 1/2 cup = 120 milliliters

Dairy-free chocolate chips: 1 cup = 175 grams

Coconut oil or butter: 1 tablespoon = 15 grams

Sea salt: Pinch = less than 0.5 grams

Half measurement:

Full-fat canned coconut milk: 60 milliliters

Dairy-free chocolate chips: 88 grams

-Coconut oil or butter: 7.5 grams

Sea salt: Small pinch (still less than 0.5 grams)