First, one can solve for the ingredient clues, yielding alphabetized answers. We also keep the associated number in the clue (ignoring units), and convert it to a letter.

Quantity given Associated letter Clue given Answer
14 N a well-connected actor BACON
13 M a tool for flattery BUTTER
20 T incremental bee hives? CHIVES
20 T something corny CORN
1 A half of half and half CREAM
19 S long walk on the beach DATE
18 R things in a risky basket EGGS
25 Y vampire repellent GARLIC
4 D Fred's dancing partner GINGER
9 I flying Pokemon's staff LEEK
8 H things life gives you LEMONS
15 O calcium compound LIME
13 M utterly misheard liquid? MILK
5 E a thing to make you cry ONION
4 D gamer rage SALT
5 E those rooted on the couch (informally) SPUDS
1 A sound of complaint? WINE

Now, we note that each instruction line hints at one of the answers, and a word which is one letter off from it. Ordering by instruction line, we have the following:

Letter from quantity Answer Clued word Ingredient letter Replacement letter
A CREAM DREAM C D
D SALT SILT A I
D GINGER LINGER G L
T CHIVES CHILES V L
H LEMONS DEMONS L D
Y GARLIC GAELIC R E
M BUTTER BATTER U A
E SPUDS STUDS P T
T CORN HORN C H
O LIME DIME L D
R EGGS EGOS G O
E ONION UNION O U
M MILK SILK M S
A WINE PINE W P
I LEEK LEAK E A
N BACON BARON C R
S DATE MATE D M

This reveals two clue phrases:

Remaining (ingredient) letter Time number Result
C 13 P
A 14 O
G 13 T
V 5 A
L 8 T
R 23 O
U 10 E
P 3 S
C 6 I
L 2 N
G 5 L
O 0 O
M 9 V
W 8 E
E 2 G
C 2 E
D 16 T


This reveals the clue phrase:

"POTATOES IN LOVE GET"

From this phrase and the hints about herb puns and marriage, the answer is:

ROSE-MARRIED