Yummy Brownie

Brownie Science

Understand how ingredients, mixing, heat and structure change brownies.

What Sugar Does in Brownies

Understand how sugar affects sweetness, moisture, crust, spread, chew and structure, and why reducing sugar changes more than flavour.

What Eggs Do in Brownies

Learn how egg whites, yolks, water, proteins and emulsifiers affect brownie structure, gloss, chew and richness.

What Flour Does in Brownies

See how flour supplies starch and gluten-forming proteins, why measurement errors matter, and how flour quantity shifts brownies toward dense or cakey.

Butter vs Oil in Brownies

Compare butter and oil in brownies, including flavour, water content, room-temperature firmness, browning and chew.