2 tablespoons coconut oil (or peanut oil)
1 pound large shrimp, peeled and deveined
1 large onion, halved lengthwise, then cut into quarter inch slices
1 large green bell pepper, halved lengthwise, then cut into quarter inch slices
3/4 cup pineapple chunks
1/3 cup sugar (palm sugar, if you have it, otherwise white)
1/2 cup rice vinegar (can substitute distilled white)
1 tablespoon soy sauce
1 teaspoon dry mustard
1 tablespoon cornstarch
1/4 cup water