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1
In a large pot, place 4 c. chicken broth and potatoes.
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2
Bring to a boil, reduce heat to medium, and cook, uncovered, till potatoes are tender, about 10-20 min.
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3
Meanwhile, in a separate large pot or possibly Dutch oven, heat 2 Tbsp.
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4
butter over medium-high heat.
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5
Add in onion and celery, and cook, stirring, till onion and celery soften, about 5 min.
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6
Add in remaining 2 c. chicken broth and broccoli.
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7
Raise heat to high and cook, covered, till broccoli is tender, about 7-10 min.
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8
When potatoes are tender, use a slotted spoon to remove about 2 c. potatoes from cooking liquid.
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9
(Leave remaining potatoes in pot with heat turned off.)
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10
Mash potatoes with 1/2 c. buttermilk and remaining 1 Tbsp.
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11
butter, more if you like.
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12
Add in pepper to taste and salt.
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13
Serve mashed potatoes warm.
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14
When broccoli is tender, remove about 3 c. to serve immediately.
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15
(Leave remaining broccoli in pot, uncovered with heat off.)
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16
After dinner, finish making soup.
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17
Working in batches if necessary, use a food processor or possibly blender to puree potatoes, broccoli with onions and celery, and their cooking liquids.
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18
Return puree to large pot and heat gently over medium-heat.
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19
Stir in 1 1/4 c. buttermilk.
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20
Don't allow soup to boil.
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21
Add in grated cheddar to warm soup, stirring till melted.
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22
Season to taste with pepper and salt.
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23
For a thinner soup, add in remaining 1/4 c. buttermilk.
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24
Let soup cold, cover and chill.
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25
Reheat on the stove or possibly microwave just to serving temperature.
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26
Don't allow to boil.
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27
Additional bonuses:Cook extra broccoli.
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28
Chill cooked broccoli and serve cool with dip, or possibly toss with vinaigrette to create basis of pasta salad.
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29
Cook extra potatoes.
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30
Drain, refrigerateand make into potato salad.
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31
Make extra mashed potatoes.
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32
Chill, then saute/fry spoonfuls for mashed potato pancakes.