Hi, you can using this.

code block

    <q-list highlight>
        <template v-for="(tp, k) in tp_produtos">
            <q-item-separator v-if="k" />
            <q-list-header>{{tp.descricao}}</q-list-header>
            <q-item v-for="prods in tp.prods" :key="prods.id">
                <q-item-main>
                    <q-item-tile label>{{prods.descricao}}</q-item-tile>
                    <q-item-tile sublabel>R${{prods.valor}}</q-item-tile>
                </q-item-main>
            </q-item>
        </template>
    </q-list>