On the trail, I prefer slices of home made summer sausage, Tillamook sharp cheddar cheese, and my version of Hard Tack with butter, all chased down with either Hawaiian Punch or a beer.
If beer, then a siesta afterwards.
At home it varies. Tuna salad sandwiches are one. More often leftovers from previous meals (usually last night's supper).
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The ultimate result of shielding men from the effects of folly is to fill the world with fools.
-- Herbert Spencer, English Philosopher (1820-1903)