<script type="text/x-template" id="handle-click">
  <ul>
    <li v-for="(entry, index) in menu"  :key="index" @click="selectEntry(entry)"> {{entry}}</li>
  </ul>
</script>

<div id="app">
  <my-button />
</div>

Vue.component('my-button', {
  template: '#handle-click',
  name: 'SingleComponent',
  data () {
    return {
      menu: ['tacos','hot dogs', 'ice cream']
    }
  },
  methods: {
    selectEntry (value) {
      alert(`${value} it is!`)
    }
  }
})

let app = new Vue({
  el: '#app'
})