November 2, 2023
Sweet and Sour Tuna over Mixed Greens with Roast Asparagus
Sicilian dishes like this often feature a balance of sweet and sour and this one is no exception. I like to serve this on top of a bed of mixed greens and spinach along with some roasted asparagus.
Servings: 4
Calories: 333kcal
Ingredients
Tuna:
- 1 tablespoon avocado oil or more traditionally, olive oil
- 2 yellow onions diced
- 1 1/3 pounds tuna steaks 4 steaks
- 1 cup red wine vinegar
- 1/2 teaspoon stevia glycerite or 1/3 cup allulose
- 1/16 teaspoon glucomann powder optional (helps thicken)
- salt and pepper to taste
To Serve:
- 4 cups spinach
- 4 cups mixed greens or more spinach
- 1 pound asparagus trimmed
- 1/2 tablespoon avocado oil
- salt to taste
Instructions
- Add 1/2 tablespoon avocado oil and the onion to a large nonstick pan and cook, stirring occasionally over medium heat until soft and translucent, about 5 minutes. Continue cooking, stirring often until deeply caramelized (you will need to stir more often as they darken). Add water if anything gets very dark or browns unevenly, another 20 minutes or so. Remove from pan and set aside. Do not clean the pan.
- Add the vinegar and sweetener and cook until reduced by half and thickened, about 5 minutes. Stir in the onions and then transfer the sauce to a bowl and reserve. Wipe the pan clean.
- Season the tuna with salt, to taste and rub it with the remaining avocado oil. Heat the pan over medium-high heat. When hot, add the tuna and sear until just seared, about 30-60 seconds, flip and cook the second side another 30-60 seconds. I prefer the interior of the tuna to be raw but heated through but you can cook it longer if you prefer the fish to be more thoroughly cooked. Simply add the sauce to the pan with the tuna and simmer until the interior is cooked to your liking when tested with a knife.
- To serve, place tuna on serving plates and spoon reserved sauce over top.
Nutrition Facts
Sweet and Sour Tuna over Mixed Greens with Roast Asparagus
Amount per Serving
Calories
333
% Daily Value*
Fat
13
g
20
%
Saturated Fat
3
g
19
%
Polyunsaturated Fat
3
g
Monounsaturated Fat
6
g
Cholesterol
57
mg
19
%
Sodium
102
mg
4
%
Potassium
950
mg
27
%
Carbohydrates
12
g
4
%
Fiber
4
g
17
%
Sugar
5
g
6
%
Protein
40
g
80
%
Vitamin A
7427
IU
149
%
Vitamin C
28
mg
34
%
Calcium
90
mg
9
%
Iron
5
mg
28
%
* Percent Daily Values are based on a 2000 calorie diet.
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