Bachelor Chow:
1 bowl of Frosted Mini Wheats
6oz light yogurt
$1.22 per meal

Breakdown:
Miniwheats: $27 for 4x18oz (0.37 /oz), 1 Serving = 24 biscuits = 2 ounces or $0.74, 200 calories; Yogurt: $2.88 6x6oz (0.08 /oz), 1 Serving = 1 container = 6 ounces or $0.48, 90 calories. Sub total: 1 serving, 290 calories, $1.22 per serving
Daily total: 7 servings, 2030 calories, $8.54

Ultra-Cheap Bachelor Chow:
1 cup rehydrated dry milk
1.4 ounces multigrain hot cereal
$0.52 per meal

Breakdown: 1 cup rehydrated dry milk has 80 calories, requires no refrigeration, and costs $0.29/cup. Multigrain hot cereal costs 2.92/lb or 0.23 per 1.4 oz serving with 133 calories. So total 213 calories per serving and $0.52 per meal for a final cost of about $5 per day. You just need hot water.