diff --git a/encoding/toml/decode_test.go b/encoding/toml/decode_test.go
index 19ca90cf9c2..949e165aa90 100644
--- a/encoding/toml/decode_test.go
+++ b/encoding/toml/decode_test.go
@@ -764,6 +764,23 @@ line two.\
 			qt.Assert(t, qt.IsNil(err))
 			t.Logf("json.Marshal via CUE:\t%s\n", jsonCUE)
 			qt.Assert(t, qt.JSONEquals(jsonCUE, unmarshalTOML))
+
+			// Ensure that the decoded CUE can be re-encoded as TOML,
+			// and the resulting TOML is still JSON-equivalent.
+			t.Run("reencode", func(t *testing.T) {
+				sb := new(strings.Builder)
+				enc := toml.NewEncoder(sb)
+
+				err := enc.Encode(val)
+				qt.Assert(t, qt.IsNil(err))
+				cueTOML := sb.String()
+				t.Logf("reencoded TOML:\n%s", cueTOML)
+
+				var unmarshalCueTOML any
+				err = gotoml.Unmarshal([]byte(cueTOML), &unmarshalCueTOML)
+				qt.Assert(t, qt.IsNil(err))
+				qt.Assert(t, qt.JSONEquals(jsonCUE, unmarshalCueTOML))
+			})
 		})
 	}
 }
diff --git a/encoding/toml/encode.go b/encoding/toml/encode.go
new file mode 100644
index 00000000000..23f768f1c5b
--- /dev/null
+++ b/encoding/toml/encode.go
@@ -0,0 +1,47 @@
+// Copyright 2024 The CUE Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package toml
+
+import (
+	"io"
+
+	"github.com/pelletier/go-toml/v2"
+
+	"cuelang.org/go/cue"
+)
+
+// TODO(mvdan): encode options
+
+// TODO(mvdan): the encoder below is based on map[string]any since go-toml/v2/unstable
+// does not support printing or encoding Nodes; this means no support for comments,
+// positions such as empty lines, or the relative order of fields.
+
+// NewEncoder creates an encoder to stream encoded TOML bytes.
+func NewEncoder(w io.Writer) *Encoder {
+	return &Encoder{encoder: toml.NewEncoder(w)}
+}
+
+// Encoder implements the encoding state.
+type Encoder struct {
+	encoder *toml.Encoder
+}
+
+func (e *Encoder) Encode(val cue.Value) error {
+	var v any
+	if err := val.Decode(&v); err != nil {
+		return err
+	}
+	return e.encoder.Encode(v)
+}