Caramelized Onion & Spinach Olive Oil Quick Bread Recipe (2024)

Caramelized Onion & Spinach Olive Oil Quick Bread Recipe (1)

Spring has most decidedly not sprung. It is almost June and yet Persephone, the goddess of spring, seems to playing a mischievous game of "drive the mortals mad". Each morning I pull on capri pants, slip my feet into a pair of sandals, and step outside, ready to be greeted by the warmth of the day. Then reality slaps my windburn face and I skitter back inside to pull on my jeans and fleece top. In case you think that I am being overly dramatic, I swear on a wheel of Brie (it does not get any more sacred than that) that it is currently snowing.

Despite the seasonally-challenged weather, flowers continue to bloom, hummingbirds continue to grace our feeder, and seeds continue to germinate. Spring is the time for asparagus, rhubarb, and leafy greens. We are happy to indulge in some of our seasonal favorites, such as and Rhubarb Cheesecake Bars with Gingersnap Crust. With the harvest date of lettuce and spinach drawing near, it seemed fitting to feature one here. After caramelizing onions to a sweet, golden brown and wilting the spinach with minced garlic, the vegetables are mixed into a savory quick bread batter. The only fat in this easy bread is extra-virgin olive oil, which lends a slightly fruity taste, along with an abundance of moisture.

Preheat the oven to 350 degrees F.

Heat 2 teaspoons olive oil in a large skillet set over medium heat. Cut one large yellow onion in half through the root, peel, and thinly slice into half-circles. Add the onion to the pan. Season with 1/2 teaspoon salt.

Caramelized Onion & Spinach Olive Oil Quick Bread Recipe (2)
Cook for 10 minutes, reduce the heat to medium-low, and cook until the onions are golden brown, about 10 additional minutes.

Add 1 teaspoon olive oil to the onions, then stir in 2 cloves minced garlic and 2 cups (packed) fresh spinach leaves. Stir until the spinach is wilted and bright green, about 1 minute. Remove from the heat.

Caramelized Onion & Spinach Olive Oil Quick Bread Recipe (3)
In a medium bowl, whisk together 2 1/2 cups all-purpose flour, 2 teaspoons baking powder, and 1/2 teaspoon salt.

In a large bowl, combine 2 eggs, lightly beaten, 3/4 cup 2% milk, and 2/3 cup extra-virgin olive oil. Whisk well until combined.

Pour the flour mixture into the eggs mixture and stir until just combined. Do not overmix or the bread will become tough. Add the spinach mixture and 1 ounce crumbled myzithra (or feta) cheese, and stir until just combined.

Caramelized Onion & Spinach Olive Oil Quick Bread Recipe (4)
Butter a loaf pan. Spoon 1 tablespoon flour into the pan and tap the flour around the pan. Shake out the excess. Scoop the batter into the pan and smooth the top.

Caramelized Onion & Spinach Olive Oil Quick Bread Recipe (5)
Bake until the top is light golden brown and a wooden skewer inserted into the center comes out dry, 35 to 40 minutes.

Caramelized Onion & Spinach Olive Oil Quick Bread Recipe (6)
Cool in pan for 15 minutes, then remove the bread from the pan, and cool on a wire rack. Slice and serve.

Caramelized Onion & Spinach Olive Oil Quick Bread Recipe (7)
Savory quick bread recipes:

Dorie Greenspan's Bacon-Cheddar Quick Bread with Dried Pears
Closet Cooking's
One Perfect Bite's Olive Bread
What Geeks Eat's Savory Onion Zucchini Bread
Magnifico's Olive Rosemary Quick Bread

Caramelized Onion & Spinach Olive Oil Quick Bread

3 tsp olive oil, divided
1 large yellow onion, cut in half through the root, and thinly sliced
1/2 tsp kosher salt
2 cups (packed) fresh spinach leaves
2 garlic cloves, minced
2 1/2 cups all-purpose flour
2 tsp baking powder
1/2 tsp salt
2 eggs, lightly beaten
3/4 cup 2% milk
2/3 cup extra-virgin olive oil
1 oz. crumbled myzithra (or feta) cheese
Butter and flour for pan

Preheat the oven to 350 degrees F.

Heat 2 teaspoons olive oil in a large skillet set over medium heat. Add the onion to the pan. Season with 1/2 teaspoon salt. Cook for 10 minutes, reduce the heat to medium-low, and cook until the onions are golden brown, about 10 additional minutes.

Add 1 teaspoon olive oil to the onions, then stir in garlic and spinach leaves. Stir until the spinach is wilted and bright green, about 1 minute. Remove from the heat.

In a medium bowl, whisk together flour, baking powder, and salt. In a large bowl, combine eggs, lightly beaten, milk, and extra-virgin olive oil. Whisk well until combined.

Pour the flour mixture into the eggs mixture and stir until just combined. Do not overmix or the bread will become tough. Add the spinach mixture and myzithra cheese, and stir until just combined.

Butter a loaf pan. Spoon 1 tablespoon flour into the pan and tap the flour around the pan. Shake out the excess. Scoop the batter into the pan and smooth the top.

Bake until the top is light golden brown and a wooden skewer inserted into the center comes out dry, 35 to 40 minutes. Cool in pan for 15 minutes, then remove the bread from the pan, and cool on a wire rack. Slice and serve.

Makes 1 loaf of bread.

Printable recipe

Caramelized Onion & Spinach Olive Oil Quick Bread Recipe (8)

Caramelized Onion & Spinach Olive Oil Quick Bread Recipe (2024)

FAQs

Can you use olive oil to caramelize onions? ›

Coat the bottom of the pan with olive oil, or a mixture of olive oil and butter, if using (about 1 teaspoon per onion). Heat the pan on medium high heat until the oil is shimmering. Add the onion slices and stir to coat the onions with the oil.

Can you cook onions in extra virgin olive oil? ›

Heat a medium size nonstick pan over low - medium heat. Add Extra Virgin Olive Oil from Spain, and gently heat, add onions. Cover pan and let cook over low heat, stirring periodically so the onions cook evenly. Continue to cook until the onions are evenly browned and caramelized.

What is the best liquid to caramelize onions in? ›

Once you've finished cooking the onions to desired doneness, deglaze the pan with 1/4 cup of water (for extra flavor, you can also use vegetable or chicken broth, balsamic vinegar, red, white or Madeira wine, beer or brandy).

What is the secret to caramelize onions? ›

While you can start the cooking process at medium heat, low and slow is the name of the game when it comes to caramelizing onions. Once your onions begin to soften and take on a golden hue, you'll want to reduce the heat from medium to medium-low or even low for the remainder of the cooking process.

What is the difference between caramelized onions and sauteed onions? ›

Sautéing vs caramelizing

Sautéing is about softening and lightly flavoring the onions, while caramelizing is about developing a rich, sweet complexity. Unfortunately, you can't swap one out for the other without changing the flavor profile of your dish.

Why not use extra virgin olive oil for baking? ›

All cooking oils have what is called a "smoke point," the temperature at which the oil starts to break down and smoke. And where there's smoke, there will soon be fire. This is why extra virgin olive oil, which has a low smoke point of 350°F to 410°F, shouldn't be used for high heat cooking, especially frying.

Is it better to caramelize onions with oil or butter? ›

Our Test Kitchen likes to use butter when caramelizing onions, as it offers the richest flavor. If you avoid dairy or don't have butter, you can caramelize onions in other fat such as margarine or olive oil. Add the onion slices. It's okay if they overlap a bit here because they'll shrink as they cook down.

Is it better to cook onions in olive oil or butter? ›

Cooking onions longer at a lower heat results in soft and golden brown onions. This breaks down the natural sugars, so the onions taste extra sweet. We recommend using butter for the best flavor.

Why are my onions not caramelizing? ›

Not cooking the onions long enough.

→ Follow this tip: Cook times will vary depending on the number of onions you're cooking and the type of onion (its sugar content and age), but plan to cook caramelized onions for 40 to 50 minutes (at least) until they have a dark-brown, rich color.

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