Spread this speedy garlic and caramelized onion jam over toasted bread topped with melty gruyere cheese.

They should be firm, free from blemishes, and not sprouting.

They should have papery outer skins and short necks.

Quick Garlic-Onion Jam and toast

Credit: Blaine Moats

If stored properly in a cool, dry, well-ventilated place, fresh onions should last for several weeks.

The garlic in this onion jam recipe should come from a firm head without soft or dry cloves.

Avoid sprouted heads, which can be a sign the garlic is old.

garlic bulb in garlic roaster

Credit:BHG / Alexandra Shytsman

Cooking the sliced onions slowly in butter intensifies their sweetness and flavor.

A hint of brown sugar plays up the caramel notes while balsamic vinegar adds a bit of tang.

Our Test Kitchen recommends serving thiseasy appetizer ideaas a crostini with crusty bread and melty cheese.

chopped sweet onions

Credit:BHG / Alexandra Shytsman

It’s also great as a spread for sandwiches, pasta topper, or dip.

Try slathering it on a baguette with ricotta cheese and fresh arugula.

Or, mix it into sour cream and serve it with potato chips.

onion garlic jam cooking in skillet

Credit:BHG / Alexandra Shytsman

It’s also delicious paired with cheese as part of acharcuterie board.

This homemade onion jam recipe will last for about a week.

Store it in the fridge in an airtight container.

onion garlic jam on gruyere toasts

Credit:BHG / Alexandra Shytsman

Add a layer of kosher salt to bottom of the roaster.

Cut 1/2 inch from tip of bulb; place bulb cut side up in roaster.

Drizzle with olive oil.

Cover and roast for 1 hour.

Squeeze the cloves from the skin.

The design helps garlic roast without burning.

Soak it in water before using.

Onion Jam

In a large skillet heat the butter over medium.

Add the sliced sweet onions.

Cook for 15 minutes or until softened and starting to brown, stirring occasionally.

Do not let the onions burn.

Cook, uncovered, for 5 minutes or until thickened.

Spread the cooked onion jam over toasts and melted gruyere.

2,000 calories a day is used for general nutrition advice.