What's the Difference Between Light and Dark Brown Sugar?

What's the difference between light and dark brown sugar? If a recipe calls for one, can I substitute with the other? We tested it and found out.

Can you substitute dark brown sugar for light brown sugar

Brown Sugar Brownies - Glenda Embree

How to Make Your Own Light Brown Sugar (or Dark Brown Sugar

Light and Dark Brown Sugar Recipe - The Frozen Biscuit

What's the Difference Between Light and Dark Brown Sugar? : r/foodhacks

Smooth Brown Sugar Buttercream (No Grain!) - Frosting and Fettuccine

Light Versus Dark Brown Sugar: What's the Deal?

Light Brown Sugar vs Dark Brown Sugar: What's the Difference

Light Brown Sugar vs Dark Brown Sugar - Bake or Break

Brown Sugar Cookies - Courtney's Sweets

Light vs. Dark Brown Sugar: Differences and When to Use Each

Light Versus Dark Brown Sugar: What's the Deal?

Light vs. Dark Brown Sugar: Differences and When to Use Each