Context: Add the onions and some salt sweat until sweet and translucent . Add the peas and defrost in the skillet with the onions . When the peas are fully warmed , turn off the heat of the skillet . Add the yogurt , tarragon and pistachios .

Question: Why are the onions added first ?
Options:
0. The onions need to be cooked longer .
1. The onions have too much salt
2. None of the above choices .
3. The onions are added after the yogurt .
Answer: 0