How Potions can be combined at the Cooking Pot:

Normal == 2x minor
Plentiful == 3x minor
Plentiful == 1x minor + 1x normal
Vigorous == 4x minor
Vigorous == 1x minor + 1x plentiful
Vigorous == 2x minor + 1x normal
Vigorous == 2x normal

Just for reference:
Minor == 25 points of effect
Normal == 50 points of effect
Plentiful == 75 points of effect
Vigorous == 100  points of effect


Misc recipes at the Smelter (because I was too lazy to create another mod): 
1x Charcoal == 1x Fire Wood 
1x Steel Ingot == 1x Charcoal + 1x Iron Ingot 


Restore Health Ingredients I used:
1 Rock Warbler Egg
2 Charred Skeever Hide
3 Blue Dartwing
4 Butterfly Wing
5 Blue Mountain Flower
6 Imp Stool
7 Blisterwort
8 Eye of Sabre Cat
9 Swamp Fungal Pod
10 Wheat

Restore Health Ingredients I didn't use (to keep the number of recipes reasonable):
Daedra Heart


Restore Stamina Ingredients I used:
1 Bear Claws
2 Bee
3 Charred Skeever Hide
4 Eye of Sabre Cat
5 Mudcrab Chitin
6 Orange Dartwing
7 Pine Thrush Egg
8 Purple Mountain Flower
9 Sabre Cat Tooth
10 Torchbug Thorax

Restore Stamina Ingredients I didn't use (to keep the number of recipes reasonable):
Hawk Beak
Histcarp
Honeycomb
Large Antlers
Pearl
Powdered Mammoth Tusk
Silverside Perch
Small Pearl
Wisp Wrappings


Restore Magicka Ingredients I used:
1 Briar Heart
2 Creep Cluster
3 Dwarven Oil
4 Elves Ear
5 Grass Pod
6 Moon Sugar
7 Mora Tapinella
8 Red Mountain Flower
9 Vampire Dust
10 White Cap

Restore Magicka Ingredients I didn't use (to keep the number of recipes reasonable):
Ectoplasm
Fire Salts
Frost Salts
Giant Lichen
Human Flesh
Pearl
Taproot