I always have in my fridge and kitchen:
eggs
1% milk
coffee
oj
Whole grain bread
corn tortillas
salsa
parmesan cheese
cheddar cheese
blue cheese crumbles
pasta (many types)
brown rice
white rice
potatoes white and sweet
onions
garlic
lettuce
avocado
cucumber
red bell peppers
canned hominy
canned tomatoes
canned beans (many varieties)
dry beans (many varieties)
chicken broth
veges - whatever looks good right now, beets, artichokes, arugula, escarole, parsley, tomatoes, zucchini,
strawberries
bananas
Right now I have raspberries and blackberries and watermelon, oranges, limes, lemons, and grapefruit, apples, grapes (always have fruit)
eat mostly chicken, but I do eat sirloin and pork occassionally.
Lots of herbs
pecans (unsalted)
almonds (unsalted)
red and white wine
beer
and, of course, tequilla for an occasional margarita!