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1
Snap off asparagus tips. Trim & discard the bottom inch of ea asparagus stalk. Peel the stalks, cut into 2-in pieces & set aside.
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2
Heat butter in a 2 qt saucepan over med heat. Add flour & stir well w/a wooden spoon. Reduce heat to low & cook (stirring often) for about 5 min or till roux has a nutty aromoa, but do not let it brown.
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3
Whisk in the broth, stirring to make a smooth sauce. Add asparagus stalks, bring to a gentle simmer & cook for 30 minutes.
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4
Puree using a blender, immersion blender or food proc. Keep warm till ready to use.
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5
Cook asparagus tips in salted boiling water for 3-5 min or till barely tender. Drain at once, rinse w/cold water to stop cooking process & set aside.
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6
Just b4 using sauce as desired, add asparagus tips & warm for 3 minutes.
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7
NOTE #1: If using canned asparagus, drain & reserve liquid. When the roux is ready for addition of the broth, combine the reserved asparagus liquid w/broth to a total volume of 2 cups & add to roux, using additional broth as needed to get desired consistency. This method will concentrate the asparagus flavor. If using it + the broth, you will not need added salt.
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8
Note #2: Without the fresh asparagus tips, you will not have the visual & textural elements of using fresh asparagus, but the sauce will be rich & flavorful. I favor adding baby shrimp or crisp bacon pieces to get visual & textural elements.
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9
To Serve: Use sauce to top cheese omelets, cheese grits, a cheese souffle, cheese quesadillas, a baked potato, etc.