(Gluten-Free) Peanut Butter Pizza

White onion, finally chopped
Garlic, finally chopped
Mushroom, finally chopped
Carrot finally chopped
3 tablespoons peanut butter
2 teaspoons rice vinegar
2 teaspoons soy sauce
1 teaspoon olive oil
1/4 teaspoon red pepper flakes
1 tablespoon minced ginger
2 teaspoons honey
1/2 teaspoon sesame oil
2-3 Tablespoons water