Here's a breakdown of how much it costs me to whip up recipes - in alphabetical order by ingredient.
Allrecipes has a great breakdown of weight and volume conversions - Cups to Grams, Ounces to Cups and Baking Ingredient Conversions. It's where my math comes from.
I'll update as I purchase, so it will take time to build. I cannot guarantee these prices - but this is the cost as of the last purchased. Sometimes I'll get great a sale, maybe a coupon, so this is just a reference of where I'm getting my food costs in recipes.
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Bananas - 3lbs $1.59 = $0.53/lb - Costco
Broth - Campbell's Chicken 6x900ml $10.99 = $0.20/100ml ($0.48/Cup) - Costco
Broth - No Name Chicken 900ml $1.25 = $0.14/100ml ($0.35/cup) - RCSS
Brown Sugar - Redpath 2kg $2.39 = $0.24/cup = $0.12 1/2 cup = $0.06 1/4 cup = $0.02/Tbsp - Costco
Butter - Natrel 454g (1lb) $2.95 = $1.48/cup = $0.74 1/2 cup = $0.37 1/4 cup - Costco
Carrots - 3lb Bag = 18 Carrots $1.67 = $0.09ea - Walmart
Celery - Ave 9 Stalks $1.29 = $0.14ea - RCSS
Cheese - Black Diamond Cheese Strings 40s $9.99 = $0.25ea - Costco
Eggs - Large 18s $2.25 = $0.12ea - Walmart
Flour - White 20kg $7.97 = $0.05/Cup = $0.03 1/2 cup - Costco
Garlic - 1 Head $0.67 = $0.05/clove - RCSS
Icing Sugar - Lantic 1kg $1.29 = $0.16/cup = $0.08 1/2 cup - Costco
Lentils - Green - Nupak 900g $3.78 = $0.84/cup - RCSS
Margarine - Imperial 454g $1 = $0.50 1 Cup = $0.25 1/2 cup - FreshCo
Mayonnaise - Hellman's 1.8L $7.49 = $0.42/100 ml ($0.06/Tbsp) - Costco
Milk - 2% 4L $3.95 = $0.98/L = $0.25/cup - RCSS
Oats - Quaker Quick 5 kg $8.89 = $0.18/100g ($0.15/cup) - Costco
Onions - Farmer's Market 10lb $2.98 = $0.30/lb = $0.05ea - RCSS
Salt - Windsor 2kg $1.98 = $0.01/tsp - Walmart
Spices -
Basil 40g $1.99 = $0.05/tsp - NN RCSS
Black Pepper, Ground 400g $5.99 = $0.04/tsp - Surja RCSS
Cayenne Pepper - 125g $1.97 = $0.04/tsp - GV Walmart
Celery Salt - 190g $5.97 = $0.08/tsp - Club House Walmart
Chili Flakes - 200g $1.79 = $0.01/tsp - Surja RCSS
Chili Powder - 150g $1.97 = $0.04/tsp - GV Walmart
Cinnamon - 150g $3.49 = $0.06/tsp - NN RCSS
Coriander - 300g $1.98 = $0.02/tsp - Surja RCSS
Cumin Ground - 400g $2.79 = $0.02/tsp - Surja RCSS
Curry Powder - 125g $2.98 = $0.06/tsp - NN RCSS
Garlic Powder - 150g $2.29 = $0.04/tsp - NN RCSS
Ginger Ground - 200g $1.99 = $0.02/tsp - Surja RCSS
Italian - 50g $1.97 = $0.04/tsp - GV Walmart
Lemon Pepper - 125g $1.97 = $0.04/tsp - GV Walmart
Mustard Ground - 100g $2.29 = $0.06/tsp - NN RCSS
Mustard Seeds Whole - 100g $0.98 - $0.01/tsp - Surja RCSS
Nutmeg Ground - 100g $2.79 = $0.07/tsp - Surja RCSS
Onion, Minced Dehydrated - 105g $2.98 = $0.03/tsp - NN RCSS
Onion Powder - 150g $2.29 = $0.04/tsp - NN RCSS
Oregano - 30g $1.97 = $0.07/tsp - GV Walmart
Paprika - 130g $1.97 = $0.04/tsp - GV Walmart
Parsley Flakes - 30g $1.97 = $0.06/tsp - NN RCSS
Pepper - Black Ground 400g $5.99 = $0.04/tsp - Surja RCSS
Poultry Seasoning - 70g $1.97 = $0.08/tsp - GV Walmart
Rosemary 50g $2.29 = $0.04/tsp - NN RCSS
Salt - Windsor 1kg $1.18 = $0.01/tsp - RCSS
Seasoning Salt - 250g $1.97 = $0.02/tsp - GV Walmart
Thyme - 45g $1.79 = $0.03/tsp - NN RCSS
Thyme Ground - 80g $5.49 = $0.18/tsp - NN RCSS
Turmeric Ground - 1kg $5.98 = $0.01/tsp - Surja RCSS
Sugar - Red Path 2kg $2.39 = 10 cups = $0.24/cup = $0.03/Tbsp = $0.01/tsp - Costco
Tomatoes - No Name Diced 796ml $0.88 - No Frills
Tomato Paste - Unico 156ml $0.50 - RCSS
Tomato Sauce - Hunt's Thick + Rich 680ml $0.59 - Independent Grocer
Tortillas - Dempster's White 10" 15s $3.99 = $0.27ea - Costco
Vanilla - Club House 500ml $4.89 = $0.15/Tbsp - Bulk Barn
Vinegar - White No Name 4L $1.98 = $0.11/cup - RCSS