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Classic White Asparagus with Creamy Béchamel Sauce, Boiled Potatoes and Salad
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May is asparagus season in Germany. This is an important principle of German cuisine. In late spring or early summer, there is hardly a traditional restaurant that does not have a seasonal asparagus menu - and many home cooks also like to prepare this vegetable at this time of year.
A classic is, of course, boiled white asparagus with béchamel sauce, often served with potatoes that have been boiled in their skin, sometimes with boiled ham. But what is the carbon footprint of this classic recipe? Let’s find out!
Recipe #
Cooked white asparagus with béchamel sauce, boiled potatoes and salad
35 minutes
2 portions
Ingredients #
Asparagus
- 800 g white asparagus
- 1 pinch of salt
- 1 pinch of sugar
- 1 dash of lemon juice
Béchamel sauce
- 50 g butter
- 50 g flour
- 600 ml milk
- 1 bay leaf
- 1 pinch of salt
- 1 pinch of nutmeg
Side dish: boiled potatoes
- 300-400 g of potatoes
- 1 pinch of salt
Side dish: salad
- 100-150 g of lettuce
- 6 tablespoons of oil
- 3 tablespoons of vinegar
- 1 pinch of salt
- 1 pinch of pepper
- 1 pinch of sugar
- 1 tablespoon of mustard
Directions #
- Make the béchamel sauce: Melt the butter in a saucepan over medium heat. Whisk in the flour to form a roux. Add the milk and the bay leaf. Simmer over low heat for 20-25 minutes, stirring occasionally with a whisk. Season to taste with salt and nutmeg, and remove the bay leaf before serving.
- While the béchamel sauce is reducing, prepare the potatoes: Coarsely brush the potatoes. Boil them in plenty of salted water for about 20 minutes. At the end of the cooking time, use a fork to check that the potatoes are cooked through: if the fork meets with resistance and the potatoes are still firm inside, extend the cooking time a little. When the potatoes are cooked, pour off the water and let it evaporate in the pan.
- Peel the asparagus. Bring a large pan of water to the boil. Add the salt, sugar, and lemon juice, then add the asparagus spears. Cook on low heat for about 10 minutes. You can use a fork to check if the asparagus is cooked.
- Wash and trim the lettuce. Mix the remaining ingredients to make a classic vinaigrette dressing. Toss the salad with the dressing.
- Serve the asparagus with the potatoes and the béchamel sauce.
Carbon Footprint #
In total, two portions of asparagus with béchamel sauce, boiled potatoes and salad have an estimated carbon footprint of 2507 g.
This ranks it number 45 out of 56 recipes published on the blog so far in terms of estimated carbon footprint.
Overall, it is one of the 20% of recipes with the highest climate impact - at least 80% of recipes cause fewer emissions than this dish. 😞On the other hand, it is still better than recipes based on meat, which have a carbon footprint at least 50% higher.
When it comes to ingredients, butter is of course the most obvious: We actually use very little of it for the roux, but it accounts for almost a fifth of the recipe’s carbon footprint. This is, of course, due to the fact that cattle farming is not exactly resource-friendly and that it takes around 20-25 litres of milk to make 1kg of butter. The asparagus itself and the potatoes have a fairly good carbon footprint. A different asparagus recipe without the béchamel sauce would therefore be expected to have a lower carbon footprint.
ingredient | carbon footprint per kg | carbon footprint (in g) for 2 servings | % of ingredients | % of CO2 emissions |
---|---|---|---|---|
Asparagus | 0.7 | 560 | 38% | 22% |
Salt | 1.4 | 3 | 0% | 0% |
Sugar | 0.7 | 1 | 0% | 0% |
Lemon juice | 0.6 | 3 | 0% | 0% |
Butter | 9.0 | 450 | 2% | 18% |
Flour | 0.9 | 45 | 2% | 2% |
Milk | 1.4 | 840 | 29% | 34% |
Bay leaf | 1.1 | 2 | 0% | 0% |
Salt | 1.4 | 3 | 0% | 0% |
Nutmeg | 1.1 | 1 | 0% | 0% |
Potatoes | 0.2 | 70 | 17% | 3% |
Salt | 1.4 | 3 | 0% | 0% |
Salad | 0.3 | 38 | 6% | 1% |
Oil | 3.2 | 192 | 3% | 8% |
Vinegar | 0.2 | 7 | 1% | 0% |
Salt | 1.4 | 3 | 0% | 0% |
Pepper | 1.4 | 1 | 0% | 0% |
Sugar | 0.7 | 1 | 0% | 0% |
Mustard | 0.2 | 2 | 0% | 0% |
Cooking béchamel sauce | 112 | 4% | ||
Cooking potatoes | 75 | 3% | ||
Cooking asparagus | 96 | 4% |