| Rice 2 lb $1.82, 4.7 stars, 12,569 ratings; 1 lb $0.96; 5 lb $3.52 | Sources 1, 2 | Dated, online price |
| Rice method: 2 cups water, optional 1/2 tsp salt, boil, add 1 cup rice, cover, low, simmer 15 min, 3 quart pan; makes 3 cups (4 servings); do not rinse or drain, to keep vitamins | Source 1 package directions | Matches the source (package). The package also lists optional butter; left out to keep cost down |
| Black beans 15 oz $0.92, 4.7 stars, 17,337 ratings; 3.5 servings per can | Source 3 | Dated |
| Pinto canned 15.5 oz $0.92 | Source 4 | Dated |
| Dry pinto 32 oz $1.98, about 26 servings (1/4 cup dry); sort, rinse, soak directions on the bag | Source 5 | Dated; label |
| Dry vs canned per serving: 7.6¢ vs 26.3¢ (0.92 / 3.5) | Arithmetic from Sources 3, 5 | Matches the source. Flagged on page as rough because dry and cooked servings differ |
| Onion $0.56 each | Source 6 | Dated |
| Diced tomatoes $0.96; after opening, store in glass or plastic in the fridge | Source 7 | Dated; label |
| Cumin $1.37 (2.5 oz = 70.9 g); 1 tsp about 2.1 g; cost $0.04 | Source 8; Source 12 (FDC 170923 is whole cumin seed) | Estimate: USDA weight is for whole seed, ground may differ slightly; effect is about 1 cent |
| Garlic powder $1.06 (3.4 oz = 96.4 g); 1 tsp 3.1 g; cost $0.03 | Sources 9, 12 | Matches the source. |
| Oil $4.18 for 96 one-tablespoon servings; cost $0.04; label: do not leave unattended while heating, never water on burning oil | Source 10 | Matches the source (label).; dated |
| Salt $0.94 for 737 g; 1 tsp 6 g; cost about $0.01 | Sources 11, 12 | Matches the source. |
| Rice cost $0.37 (185 g of 907 g) | Sources 1, 12 (1 cup raw long grain = 185 g) | Matches the source. |
| Total $3.85; per serving about $0.96 | Sum of table | Matches the source. Rounding to the cent |
| Refrigerate within 2 hours, 1 hour above 90°F; bacteria grow fast between 40°F and 140°F | Source 13 | Matches the source (official). |
| Fridge 3 to 4 days; freezer 3 to 4 months best quality, safe longer; thaw in fridge, cold water or microwave; reheat to 165°F; cover and stir in microwave; shallow containers | Source 13 | Matches the source (official). |
| Rice and leftovers left out too long are a Bacillus cereus source; keep hot food above 140°F and cold at 40°F or below; wide, shallow containers, refrigerate soon | Source 14 | Matches the source (official). |
| Cook the onion until soft and see-through; simmer the beans and tomatoes until hot all the way through and the flavors come together; the beans cook while the rice simmers its 15 minutes | Source 15 (opened November 7, 2026; translucent onion, simmer until heated through and flavors meld); Source 1 (15 minute rice simmer) | Matches the source. No minute counts given for the onion, spices or beans, because no source we opened gives them |
| “One of the oldest cheap suppers”; rice and beans are long-keeping shelf staples | General knowledge | Soft framing; no dates or numbers given |