Name: Crockpot Caramelized Onions
Prep time: 5 min
Cook time: 8 h
Total time: 8 h 5 min
Yield: 8 Servings
Cuisine: American

From the Cook

1/6

Warning0 allergens identified

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Add all ingredients to slow cooker and toss to combine.

Cook on low for 8 hours.

Check onions every few hours, if there is too much liquid in the slow cooker, vent the lid to allow some moisture to escape.

Serve immediately.

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My Notes

Whether it's a recipe tweak or an inspiration burst — jot it down here.

Slice Onions Uniformly 🔪
Cut all onions to the same thickness (about ¼ inch) to ensure even caramelization and prevent some pieces from becoming mushy while others remain firm.
Don't Skip the Butter Layer 🧈
Coat the crockpot bottom with butter before adding onions to prevent sticking and ensure every strand absorbs that rich, caramelized flavor throughout cooking.
Stir Halfway Through 🔄
Open the crockpot and gently stir the onions about halfway through cooking to promote even browning and prevent the bottom layer from over-caramelizing.
Brown Sugar Dissolves Better 🍯
Mix the brown sugar with melted butter before adding onions to create a uniform sweetness distribution rather than pockets of concentrated sugar.
Toast Your Seasoning Blend 🌟
Bloom the all-purpose seasoning in a small pan with a bit of butter for 30 seconds before adding to the crockpot to intensify and meld flavors more deeply into the onions.