Here is an up-to-date guide on the food values of Valheim.
Food List
This list is sorted in ascending order of total health & stamina provided
Food
Icon
Health
Stamina
Total
Healing
Duration
Stack size
Bukeberries

-100%
-100%
0
15
50
Raspberries

7
20
27
1
600
50
Mushroom

15
15
30
1
900
50
Blueberries

8
25
33
1
600
50
Grilled neck tail

25
8
33
2
1200
20
Yellow mushroom

10
30
40
1
600
50
Cooked boar meat

30
10
40
2
1200
20
Boar jerky

20
20
40
1
1800
Carrot

10
32
42
1
900
50
Cooked deer meat

35
7
42
2
1200
20
Honey

8
35
43
1
900
50
Onion

8
40
48
1
900
Cloudberries

13
40
53
1
900
50
Deer stew

40
13
53
2
1200
10
Queens jam

14
40
54
2
1200
10
Cooked wolf meat

45
9
54
3
1200
20
Carrot soup

15
45
60
2
1500
10
Cooked fish

45
15
60
2
1200
20
Cooked lox meat

50
10
60
4
1200
20
Mince meat sauce

45
15
60
3
1500
0
Wolf jerky

30
30
60
1
1800
20
Muckshake

16
50
66
1
1200
Black soup

50
17
67
3
1200
Onion soup

12
60
72
1
1200
Turnip stew

18
55
73
2
1500
10
Sausages

55
18
73
3
1500
20
Wolf skewer

65
13
78
3
1500
Eyescream

21
65
86
1
1500
Fish wraps

70
23
93
4
1500
10
Cooked serpent meat

70
23
93
3
1500
50
Blood pudding

23
70
93
1
1500
10
Lox meat pie

75
24
99
4
1800
10
Bread

25
75
100
1
1800
20
Serpent stew

80
26
106
4
1800
10
Best Food for Health
Food
Icon
1. Serpent stew

2. Lox meat pie

3. Fish wraps

These combined foods will provide:
+225 hp
+73 stamina
12 hp/tick healing
Best Food for Stamina
Food
Icon
1. Bread

2. Blood pudding

3. Eyescream

These combined foods will provide:
+69 hp
+210 stamina
3 hp/tick healing
Food Heat Map
Thanks to Martin for his great guide, all credit to his effort. you can also read the original guide from Steam Community. enjoy the game.