Either.......Or.

[Michael Rolls]

pie

kitten or puppy

[-Oy-]

Kitten

Sandwich or Butty?

[Raven]

Sandwich.

Jam or Paste.

[klondike]

paste

wallpaper or emulsion

[Raven]

Emulsion.

Brush or Roller.

[Countryman]

Depends. Try rollering a window frame! However, if I assume you mean large areas, then roller.

Woolly hat or umbrella

[Raven]

Umbrella.

Parka or Duffle.

[klondike]

duffle

mittens or gloves

[-Oy-]

Fingerless gloves with pull-over mittens (Sealskinz)

Headphones: Wired or Wireless? 

[Raven]

Wireless.

Home Chips or Chippie Chips.

[Michael Rolls]

home chips

mug or cup and saucer

[Raven]

Mug.

Tea or Coffee.

[Michael Rolls]

tea

rice or sago

[-Oy-]

Rice

Noodles : Pasta or Rice

[Michael Rolls]

pasta

baseball or rounders